Home / 22,726.47-31,363.20-12,517.86

Finding the Fourth Proportional to 22,726.47, 31,363.20 and 12,517.86

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Solution

The fourth proportional to 22,726.47, 31,363.20 and 12,517.86 is: 17,275.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,726.47 : 31,363.20 = 12,517.86 : x
  2. Step 2: Convert to fraction form
    22,726.47/31,363.20 = 12,517.86/x
  3. Step 3: Cross multiply
    22,726.47x = 31,363.20 × 12,517.86
  4. Step 4: Simplify right side
    22,726.47x = 392,600,146.75
  5. Step 5: Solve for x
    x = 392,600,146.75/22,726.47
  6. Step 6: Final answer
    x = 17,275.02

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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.