Home / 21,418.53-32,092.68-15,167.32

Finding the Fourth Proportional to 21,418.53, 32,092.68 and 15,167.32

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Solution

The fourth proportional to 21,418.53, 32,092.68 and 15,167.32 is: 22,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418.53 : 32,092.68 = 15,167.32 : x
  2. Step 2: Convert to fraction form
    21,418.53/32,092.68 = 15,167.32/x
  3. Step 3: Cross multiply
    21,418.53x = 32,092.68 × 15,167.32
  4. Step 4: Simplify right side
    21,418.53x = 486,759,923.86
  5. Step 5: Solve for x
    x = 486,759,923.86/21,418.53
  6. Step 6: Final answer
    x = 22,726.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.