Home / 22,901.20-31,587.85-16,109.62

Finding the Fourth Proportional to 22,901.20, 31,587.85 and 16,109.62

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Solution

The fourth proportional to 22,901.20, 31,587.85 and 16,109.62 is: 22,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,901.20 : 31,587.85 = 16,109.62 : x
  2. Step 2: Convert to fraction form
    22,901.20/31,587.85 = 16,109.62/x
  3. Step 3: Cross multiply
    22,901.20x = 31,587.85 × 16,109.62
  4. Step 4: Simplify right side
    22,901.20x = 508,868,260.12
  5. Step 5: Solve for x
    x = 508,868,260.12/22,901.20
  6. Step 6: Final answer
    x = 22,220.16

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Double scale
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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.