Home / 22,952.20-31,680.82-13,523.80

Finding the Fourth Proportional to 22,952.20, 31,680.82 and 13,523.80

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Solution

The fourth proportional to 22,952.20, 31,680.82 and 13,523.80 is: 18,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,952.20 : 31,680.82 = 13,523.80 : x
  2. Step 2: Convert to fraction form
    22,952.20/31,680.82 = 13,523.80/x
  3. Step 3: Cross multiply
    22,952.20x = 31,680.82 × 13,523.80
  4. Step 4: Simplify right side
    22,952.20x = 428,445,073.52
  5. Step 5: Solve for x
    x = 428,445,073.52/22,952.20
  6. Step 6: Final answer
    x = 18,666.84

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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.