Home / 38,631.92-57,952.74-13,666.10

Finding the Fourth Proportional to 38,631.92, 57,952.74 and 13,666.10

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Solution

The fourth proportional to 38,631.92, 57,952.74 and 13,666.10 is: 20,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631.92 : 57,952.74 = 13,666.10 : x
  2. Step 2: Convert to fraction form
    38,631.92/57,952.74 = 13,666.10/x
  3. Step 3: Cross multiply
    38,631.92x = 57,952.74 × 13,666.10
  4. Step 4: Simplify right side
    38,631.92x = 791,987,940.11
  5. Step 5: Solve for x
    x = 791,987,940.11/38,631.92
  6. Step 6: Final answer
    x = 20,500.87

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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.