Home / 17,379.80-26,067.28-5,691.52

Finding the Fourth Proportional to 17,379.80, 26,067.28 and 5,691.52

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Solution

The fourth proportional to 17,379.80, 26,067.28 and 5,691.52 is: 8,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.80 : 26,067.28 = 5,691.52 : x
  2. Step 2: Convert to fraction form
    17,379.80/26,067.28 = 5,691.52/x
  3. Step 3: Cross multiply
    17,379.80x = 26,067.28 × 5,691.52
  4. Step 4: Simplify right side
    17,379.80x = 148,362,445.47
  5. Step 5: Solve for x
    x = 148,362,445.47/17,379.80
  6. Step 6: Final answer
    x = 8,536.49

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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.