Home / 25,086.38-34,618.39-13,755.58

Finding the Fourth Proportional to 25,086.38, 34,618.39 and 13,755.58

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Solution

The fourth proportional to 25,086.38, 34,618.39 and 13,755.58 is: 18,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,086.38 : 34,618.39 = 13,755.58 : x
  2. Step 2: Convert to fraction form
    25,086.38/34,618.39 = 13,755.58/x
  3. Step 3: Cross multiply
    25,086.38x = 34,618.39 × 13,755.58
  4. Step 4: Simplify right side
    25,086.38x = 476,195,912.18
  5. Step 5: Solve for x
    x = 476,195,912.18/25,086.38
  6. Step 6: Final answer
    x = 18,982.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.