Home / 18,297.57-27,446.38-5,149.96

Finding the Fourth Proportional to 18,297.57, 27,446.38 and 5,149.96

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Solution

The fourth proportional to 18,297.57, 27,446.38 and 5,149.96 is: 7,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.57 : 27,446.38 = 5,149.96 : x
  2. Step 2: Convert to fraction form
    18,297.57/27,446.38 = 5,149.96/x
  3. Step 3: Cross multiply
    18,297.57x = 27,446.38 × 5,149.96
  4. Step 4: Simplify right side
    18,297.57x = 141,347,677.65
  5. Step 5: Solve for x
    x = 141,347,677.65/18,297.57
  6. Step 6: Final answer
    x = 7,724.94

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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.