Home / 22,641.13-31,245.78-12,569.71

Finding the Fourth Proportional to 22,641.13, 31,245.78 and 12,569.71

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Solution

The fourth proportional to 22,641.13, 31,245.78 and 12,569.71 is: 17,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,641.13 : 31,245.78 = 12,569.71 : x
  2. Step 2: Convert to fraction form
    22,641.13/31,245.78 = 12,569.71/x
  3. Step 3: Cross multiply
    22,641.13x = 31,245.78 × 12,569.71
  4. Step 4: Simplify right side
    22,641.13x = 392,750,393.32
  5. Step 5: Solve for x
    x = 392,750,393.32/22,641.13
  6. Step 6: Final answer
    x = 17,346.77

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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.