Home / 17,558.82-26,345.15-7,691.18

Finding the Fourth Proportional to 17,558.82, 26,345.15 and 7,691.18

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Solution

The fourth proportional to 17,558.82, 26,345.15 and 7,691.18 is: 11,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,558.82 : 26,345.15 = 7,691.18 : x
  2. Step 2: Convert to fraction form
    17,558.82/26,345.15 = 7,691.18/x
  3. Step 3: Cross multiply
    17,558.82x = 26,345.15 × 7,691.18
  4. Step 4: Simplify right side
    17,558.82x = 202,625,223.53
  5. Step 5: Solve for x
    x = 202,625,223.53/17,558.82
  6. Step 6: Final answer
    x = 11,539.80

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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.