Home / 17,167.70-25,754.45-5,318.75

Finding the Fourth Proportional to 17,167.70, 25,754.45 and 5,318.75

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Solution

The fourth proportional to 17,167.70, 25,754.45 and 5,318.75 is: 7,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,167.70 : 25,754.45 = 5,318.75 : x
  2. Step 2: Convert to fraction form
    17,167.70/25,754.45 = 5,318.75/x
  3. Step 3: Cross multiply
    17,167.70x = 25,754.45 × 5,318.75
  4. Step 4: Simplify right side
    17,167.70x = 136,981,325.57
  5. Step 5: Solve for x
    x = 136,981,325.57/17,167.70
  6. Step 6: Final answer
    x = 7,979.02

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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.