Home / 18,251.60-27,377.44-5,103.96

Finding the Fourth Proportional to 18,251.60, 27,377.44 and 5,103.96

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Solution

The fourth proportional to 18,251.60, 27,377.44 and 5,103.96 is: 7,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.60 : 27,377.44 = 5,103.96 : x
  2. Step 2: Convert to fraction form
    18,251.60/27,377.44 = 5,103.96/x
  3. Step 3: Cross multiply
    18,251.60x = 27,377.44 × 5,103.96
  4. Step 4: Simplify right side
    18,251.60x = 139,733,358.66
  5. Step 5: Solve for x
    x = 139,733,358.66/18,251.60
  6. Step 6: Final answer
    x = 7,655.95

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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.