Home / 17,691.30-26,532.68-5,207.93

Finding the Fourth Proportional to 17,691.30, 26,532.68 and 5,207.93

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Solution

The fourth proportional to 17,691.30, 26,532.68 and 5,207.93 is: 7,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.30 : 26,532.68 = 5,207.93 : x
  2. Step 2: Convert to fraction form
    17,691.30/26,532.68 = 5,207.93/x
  3. Step 3: Cross multiply
    17,691.30x = 26,532.68 × 5,207.93
  4. Step 4: Simplify right side
    17,691.30x = 138,180,340.15
  5. Step 5: Solve for x
    x = 138,180,340.15/17,691.30
  6. Step 6: Final answer
    x = 7,810.64

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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.