Home / 18,781.25-28,167.26-6,301.00

Finding the Fourth Proportional to 18,781.25, 28,167.26 and 6,301.00

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Solution

The fourth proportional to 18,781.25, 28,167.26 and 6,301.00 is: 9,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,781.25 : 28,167.26 = 6,301.00 : x
  2. Step 2: Convert to fraction form
    18,781.25/28,167.26 = 6,301.00/x
  3. Step 3: Cross multiply
    18,781.25x = 28,167.26 × 6,301.00
  4. Step 4: Simplify right side
    18,781.25x = 177,481,850.59
  5. Step 5: Solve for x
    x = 177,481,850.59/18,781.25
  6. Step 6: Final answer
    x = 9,449.95

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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.