Answers

2015-10-10T11:54:56+05:30
Let it be x.

6+x : 14+x :: 18+x : 38+x
⇒ (6+x)(38+x) = (14+x)(18+x)
⇒ 228 + 44x + x² = 252 + 32x + x²
⇒ 44x - 32x = 252 - 228
⇒ 12x = 24
⇒ x = 24/12 = 2

you should add 2 to each.
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