Home / 15,617.31-23,425.30-4,523.75

Finding the Fourth Proportional to 15,617.31, 23,425.30 and 4,523.75

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Solution

The fourth proportional to 15,617.31, 23,425.30 and 4,523.75 is: 6,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.31 : 23,425.30 = 4,523.75 : x
  2. Step 2: Convert to fraction form
    15,617.31/23,425.30 = 4,523.75/x
  3. Step 3: Cross multiply
    15,617.31x = 23,425.30 × 4,523.75
  4. Step 4: Simplify right side
    15,617.31x = 105,970,177.25
  5. Step 5: Solve for x
    x = 105,970,177.25/15,617.31
  6. Step 6: Final answer
    x = 6,785.43

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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.