Home / 25,866.29-38,766.96-11,057.78

Finding the Fourth Proportional to 25,866.29, 38,766.96 and 11,057.78

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Solution

The fourth proportional to 25,866.29, 38,766.96 and 11,057.78 is: 16,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,866.29 : 38,766.96 = 11,057.78 : x
  2. Step 2: Convert to fraction form
    25,866.29/38,766.96 = 11,057.78/x
  3. Step 3: Cross multiply
    25,866.29x = 38,766.96 × 11,057.78
  4. Step 4: Simplify right side
    25,866.29x = 428,676,611.87
  5. Step 5: Solve for x
    x = 428,676,611.87/25,866.29
  6. Step 6: Final answer
    x = 16,572.79

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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.