Home / 25,379.14-38,077.70-11,337.88

Finding the Fourth Proportional to 25,379.14, 38,077.70 and 11,337.88

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Solution

The fourth proportional to 25,379.14, 38,077.70 and 11,337.88 is: 17,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.14 : 38,077.70 = 11,337.88 : x
  2. Step 2: Convert to fraction form
    25,379.14/38,077.70 = 11,337.88/x
  3. Step 3: Cross multiply
    25,379.14x = 38,077.70 × 11,337.88
  4. Step 4: Simplify right side
    25,379.14x = 431,720,393.28
  5. Step 5: Solve for x
    x = 431,720,393.28/25,379.14
  6. Step 6: Final answer
    x = 17,010.84

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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.