Home / 25,577.12-38,375.04-10,789.76

Finding the Fourth Proportional to 25,577.12, 38,375.04 and 10,789.76

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Solution

The fourth proportional to 25,577.12, 38,375.04 and 10,789.76 is: 16,188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,577.12 : 38,375.04 = 10,789.76 : x
  2. Step 2: Convert to fraction form
    25,577.12/38,375.04 = 10,789.76/x
  3. Step 3: Cross multiply
    25,577.12x = 38,375.04 × 10,789.76
  4. Step 4: Simplify right side
    25,577.12x = 414,057,471.59
  5. Step 5: Solve for x
    x = 414,057,471.59/25,577.12
  6. Step 6: Final answer
    x = 16,188.59

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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.