Home / 22,722.92-31,357.38-12,651.14

Finding the Fourth Proportional to 22,722.92, 31,357.38 and 12,651.14

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Solution

The fourth proportional to 22,722.92, 31,357.38 and 12,651.14 is: 17,458.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722.92 : 31,357.38 = 12,651.14 : x
  2. Step 2: Convert to fraction form
    22,722.92/31,357.38 = 12,651.14/x
  3. Step 3: Cross multiply
    22,722.92x = 31,357.38 × 12,651.14
  4. Step 4: Simplify right side
    22,722.92x = 396,706,604.41
  5. Step 5: Solve for x
    x = 396,706,604.41/22,722.92
  6. Step 6: Final answer
    x = 17,458.43

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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.