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Finding the Fourth Proportional to 22,153.96, 30,557.24 and 13,194.56

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Solution

The fourth proportional to 22,153.96, 30,557.24 and 13,194.56 is: 18,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.96 : 30,557.24 = 13,194.56 : x
  2. Step 2: Convert to fraction form
    22,153.96/30,557.24 = 13,194.56/x
  3. Step 3: Cross multiply
    22,153.96x = 30,557.24 × 13,194.56
  4. Step 4: Simplify right side
    22,153.96x = 403,189,336.61
  5. Step 5: Solve for x
    x = 403,189,336.61/22,153.96
  6. Step 6: Final answer
    x = 18,199.43

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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.