Home / 25,753.28-38,592.66-12,590.78

Finding the Fourth Proportional to 25,753.28, 38,592.66 and 12,590.78

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Solution

The fourth proportional to 25,753.28, 38,592.66 and 12,590.78 is: 18,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,753.28 : 38,592.66 = 12,590.78 : x
  2. Step 2: Convert to fraction form
    25,753.28/38,592.66 = 12,590.78/x
  3. Step 3: Cross multiply
    25,753.28x = 38,592.66 × 12,590.78
  4. Step 4: Simplify right side
    25,753.28x = 485,911,691.67
  5. Step 5: Solve for x
    x = 485,911,691.67/25,753.28
  6. Step 6: Final answer
    x = 18,867.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.