Home / 42,516.76-63,775.23-11,351.92

Finding the Fourth Proportional to 42,516.76, 63,775.23 and 11,351.92

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Solution

The fourth proportional to 42,516.76, 63,775.23 and 11,351.92 is: 17,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,516.76 : 63,775.23 = 11,351.92 : x
  2. Step 2: Convert to fraction form
    42,516.76/63,775.23 = 11,351.92/x
  3. Step 3: Cross multiply
    42,516.76x = 63,775.23 × 11,351.92
  4. Step 4: Simplify right side
    42,516.76x = 723,971,308.94
  5. Step 5: Solve for x
    x = 723,971,308.94/42,516.76
  6. Step 6: Final answer
    x = 17,027.90

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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.