Home / 25,835.28-38,747.58-11,791.38

Finding the Fourth Proportional to 25,835.28, 38,747.58 and 11,791.38

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Solution

The fourth proportional to 25,835.28, 38,747.58 and 11,791.38 is: 17,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,835.28 : 38,747.58 = 11,791.38 : x
  2. Step 2: Convert to fraction form
    25,835.28/38,747.58 = 11,791.38/x
  3. Step 3: Cross multiply
    25,835.28x = 38,747.58 × 11,791.38
  4. Step 4: Simplify right side
    25,835.28x = 456,887,439.86
  5. Step 5: Solve for x
    x = 456,887,439.86/25,835.28
  6. Step 6: Final answer
    x = 17,684.63

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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.