Home / 18,325.38-27,484.91-5,174.68

Finding the Fourth Proportional to 18,325.38, 27,484.91 and 5,174.68

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Solution

The fourth proportional to 18,325.38, 27,484.91 and 5,174.68 is: 7,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.38 : 27,484.91 = 5,174.68 : x
  2. Step 2: Convert to fraction form
    18,325.38/27,484.91 = 5,174.68/x
  3. Step 3: Cross multiply
    18,325.38x = 27,484.91 × 5,174.68
  4. Step 4: Simplify right side
    18,325.38x = 142,225,614.08
  5. Step 5: Solve for x
    x = 142,225,614.08/18,325.38
  6. Step 6: Final answer
    x = 7,761.13

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1.5x scale

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.