Both teams doubling the score or better in the last quarter

There have only been two occasions where this has happened:
Round 6 1899
Norwood 2.2 2.2 4.4 10.10 (70) 1.5 times more
West 0.1 1.1 1.2 3.5 (23) 1.88 times more
Jubilee
Challenge Final 1900
North 1.0 1.1 1.2 4.3 (27) 2.38 times more
South 0.2 0.3 0.5 1.8 (14) 1.8 times more
Adelaide, 7000
There have been a further four matches where one team doubled their score or better and the other within 10% of doubling their score:
Round 2 1909
West 3.3 4.5 4.10 9.12 (66) 1.33 times more
South 0.1 1.3 2.3 5.5 (35) 0.94 times more
Adelaide, 3000
Round 11 1928
Torrens 1.7 1.7 2.14 6.14 (50) 0.92 times more
Norwood 0.1 2.7 2.8 4.16 (40) doubled
Thebarton, 3600
Round 14 1954
North 2.1 7.4 8.5 18.7 (115) 1.17 times more
South 1.3 2.5 2.7 5.7 (37) 0.95 times more
Prospect, 4000
Round 19 2008
Port 0.3 2.4 3.6 6.10 (46) 0.92 times more
West 0.4 0.5 1.6 4.7 (31) 1.58 times more
Richmond, 1260
Round 6 1899
Norwood 2.2 2.2 4.4 10.10 (70) 1.5 times more
West 0.1 1.1 1.2 3.5 (23) 1.88 times more
Jubilee
Challenge Final 1900
North 1.0 1.1 1.2 4.3 (27) 2.38 times more
South 0.2 0.3 0.5 1.8 (14) 1.8 times more
Adelaide, 7000
There have been a further four matches where one team doubled their score or better and the other within 10% of doubling their score:
Round 2 1909
West 3.3 4.5 4.10 9.12 (66) 1.33 times more
South 0.1 1.3 2.3 5.5 (35) 0.94 times more
Adelaide, 3000
Round 11 1928
Torrens 1.7 1.7 2.14 6.14 (50) 0.92 times more
Norwood 0.1 2.7 2.8 4.16 (40) doubled
Thebarton, 3600
Round 14 1954
North 2.1 7.4 8.5 18.7 (115) 1.17 times more
South 1.3 2.5 2.7 5.7 (37) 0.95 times more
Prospect, 4000
Round 19 2008
Port 0.3 2.4 3.6 6.10 (46) 0.92 times more
West 0.4 0.5 1.6 4.7 (31) 1.58 times more
Richmond, 1260