Home / 18,948.60-28,414.25-9,092.52

Finding the Fourth Proportional to 18,948.60, 28,414.25 and 9,092.52

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Solution

The fourth proportional to 18,948.60, 28,414.25 and 9,092.52 is: 13,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.60 : 28,414.25 = 9,092.52 : x
  2. Step 2: Convert to fraction form
    18,948.60/28,414.25 = 9,092.52/x
  3. Step 3: Cross multiply
    18,948.60x = 28,414.25 × 9,092.52
  4. Step 4: Simplify right side
    18,948.60x = 258,357,136.41
  5. Step 5: Solve for x
    x = 258,357,136.41/18,948.60
  6. Step 6: Final answer
    x = 13,634.63

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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.