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Finding the Fourth Proportional to 19,190.52, 26,481.15 and 10,691.82

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Solution

The fourth proportional to 19,190.52, 26,481.15 and 10,691.82 is: 14,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.52 : 26,481.15 = 10,691.82 : x
  2. Step 2: Convert to fraction form
    19,190.52/26,481.15 = 10,691.82/x
  3. Step 3: Cross multiply
    19,190.52x = 26,481.15 × 10,691.82
  4. Step 4: Simplify right side
    19,190.52x = 283,131,689.19
  5. Step 5: Solve for x
    x = 283,131,689.19/19,190.52
  6. Step 6: Final answer
    x = 14,753.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.