Home / 25,022.66-34,532.15-13,691.43

Finding the Fourth Proportional to 25,022.66, 34,532.15 and 13,691.43

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Solution

The fourth proportional to 25,022.66, 34,532.15 and 13,691.43 is: 18,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,022.66 : 34,532.15 = 13,691.43 : x
  2. Step 2: Convert to fraction form
    25,022.66/34,532.15 = 13,691.43/x
  3. Step 3: Cross multiply
    25,022.66x = 34,532.15 × 13,691.43
  4. Step 4: Simplify right side
    25,022.66x = 472,794,446.02
  5. Step 5: Solve for x
    x = 472,794,446.02/25,022.66
  6. Step 6: Final answer
    x = 18,894.66

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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.