Home / 22,614.70-31,233.83-15,432.31

Finding the Fourth Proportional to 22,614.70, 31,233.83 and 15,432.31

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Solution

The fourth proportional to 22,614.70, 31,233.83 and 15,432.31 is: 21,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,614.70 : 31,233.83 = 15,432.31 : x
  2. Step 2: Convert to fraction form
    22,614.70/31,233.83 = 15,432.31/x
  3. Step 3: Cross multiply
    22,614.70x = 31,233.83 × 15,432.31
  4. Step 4: Simplify right side
    22,614.70x = 482,010,147.05
  5. Step 5: Solve for x
    x = 482,010,147.05/22,614.70
  6. Step 6: Final answer
    x = 21,314.02

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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.