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Finding the Fourth Proportional to 19,198.47, 26,493.81 and 11,239.11

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Solution

The fourth proportional to 19,198.47, 26,493.81 and 11,239.11 is: 15,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.47 : 26,493.81 = 11,239.11 : x
  2. Step 2: Convert to fraction form
    19,198.47/26,493.81 = 11,239.11/x
  3. Step 3: Cross multiply
    19,198.47x = 26,493.81 × 11,239.11
  4. Step 4: Simplify right side
    19,198.47x = 297,766,844.91
  5. Step 5: Solve for x
    x = 297,766,844.91/19,198.47
  6. Step 6: Final answer
    x = 15,509.93

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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.