Home / 18,734.70-28,098.94-5,583.99

Finding the Fourth Proportional to 18,734.70, 28,098.94 and 5,583.99

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Solution

The fourth proportional to 18,734.70, 28,098.94 and 5,583.99 is: 8,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.70 : 28,098.94 = 5,583.99 : x
  2. Step 2: Convert to fraction form
    18,734.70/28,098.94 = 5,583.99/x
  3. Step 3: Cross multiply
    18,734.70x = 28,098.94 × 5,583.99
  4. Step 4: Simplify right side
    18,734.70x = 156,904,199.97
  5. Step 5: Solve for x
    x = 156,904,199.97/18,734.70
  6. Step 6: Final answer
    x = 8,375.06

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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.