Home / 17,489.72-26,242.32-9,167.75

Finding the Fourth Proportional to 17,489.72, 26,242.32 and 9,167.75

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Solution

The fourth proportional to 17,489.72, 26,242.32 and 9,167.75 is: 13,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,489.72 : 26,242.32 = 9,167.75 : x
  2. Step 2: Convert to fraction form
    17,489.72/26,242.32 = 9,167.75/x
  3. Step 3: Cross multiply
    17,489.72x = 26,242.32 × 9,167.75
  4. Step 4: Simplify right side
    17,489.72x = 240,583,029.18
  5. Step 5: Solve for x
    x = 240,583,029.18/17,489.72
  6. Step 6: Final answer
    x = 13,755.68

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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.