Home / 15,475.92-23,213.82-3,789.15

Finding the Fourth Proportional to 15,475.92, 23,213.82 and 3,789.15

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Solution

The fourth proportional to 15,475.92, 23,213.82 and 3,789.15 is: 5,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.92 : 23,213.82 = 3,789.15 : x
  2. Step 2: Convert to fraction form
    15,475.92/23,213.82 = 3,789.15/x
  3. Step 3: Cross multiply
    15,475.92x = 23,213.82 × 3,789.15
  4. Step 4: Simplify right side
    15,475.92x = 87,960,646.05
  5. Step 5: Solve for x
    x = 87,960,646.05/15,475.92
  6. Step 6: Final answer
    x = 5,683.71

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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.