Home / 22,641.97-31,247.88-12,572.35

Finding the Fourth Proportional to 22,641.97, 31,247.88 and 12,572.35

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Solution

The fourth proportional to 22,641.97, 31,247.88 and 12,572.35 is: 17,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,641.97 : 31,247.88 = 12,572.35 : x
  2. Step 2: Convert to fraction form
    22,641.97/31,247.88 = 12,572.35/x
  3. Step 3: Cross multiply
    22,641.97x = 31,247.88 × 12,572.35
  4. Step 4: Simplify right side
    22,641.97x = 392,859,284.12
  5. Step 5: Solve for x
    x = 392,859,284.12/22,641.97
  6. Step 6: Final answer
    x = 17,350.93

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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.