Home / 13,717.38-20,575.92-3,329.13

Finding the Fourth Proportional to 13,717.38, 20,575.92 and 3,329.13

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Solution

The fourth proportional to 13,717.38, 20,575.92 and 3,329.13 is: 4,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.38 : 20,575.92 = 3,329.13 : x
  2. Step 2: Convert to fraction form
    13,717.38/20,575.92 = 3,329.13/x
  3. Step 3: Cross multiply
    13,717.38x = 20,575.92 × 3,329.13
  4. Step 4: Simplify right side
    13,717.38x = 68,499,912.55
  5. Step 5: Solve for x
    x = 68,499,912.55/13,717.38
  6. Step 6: Final answer
    x = 4,993.66

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1.5x scale

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.