Home / 17,791.30-26,691.57-5,311.33

Finding the Fourth Proportional to 17,791.30, 26,691.57 and 5,311.33

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Solution

The fourth proportional to 17,791.30, 26,691.57 and 5,311.33 is: 7,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,791.30 : 26,691.57 = 5,311.33 : x
  2. Step 2: Convert to fraction form
    17,791.30/26,691.57 = 5,311.33/x
  3. Step 3: Cross multiply
    17,791.30x = 26,691.57 × 5,311.33
  4. Step 4: Simplify right side
    17,791.30x = 141,767,736.49
  5. Step 5: Solve for x
    x = 141,767,736.49/17,791.30
  6. Step 6: Final answer
    x = 7,968.37

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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.