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Finding the Fourth Proportional to 19,193.30, 26,494.13 and 11,238.09

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Solution

The fourth proportional to 19,193.30, 26,494.13 and 11,238.09 is: 15,512.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.30 : 26,494.13 = 11,238.09 : x
  2. Step 2: Convert to fraction form
    19,193.30/26,494.13 = 11,238.09/x
  3. Step 3: Cross multiply
    19,193.30x = 26,494.13 × 11,238.09
  4. Step 4: Simplify right side
    19,193.30x = 297,743,361.22
  5. Step 5: Solve for x
    x = 297,743,361.22/19,193.30
  6. Step 6: Final answer
    x = 15,512.88

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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.