Home / 22,849.20-31,531.95-13,291.38

Finding the Fourth Proportional to 22,849.20, 31,531.95 and 13,291.38

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Solution

The fourth proportional to 22,849.20, 31,531.95 and 13,291.38 is: 18,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,849.20 : 31,531.95 = 13,291.38 : x
  2. Step 2: Convert to fraction form
    22,849.20/31,531.95 = 13,291.38/x
  3. Step 3: Cross multiply
    22,849.20x = 31,531.95 × 13,291.38
  4. Step 4: Simplify right side
    22,849.20x = 419,103,129.59
  5. Step 5: Solve for x
    x = 419,103,129.59/22,849.20
  6. Step 6: Final answer
    x = 18,342.14

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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.