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Finding the Fourth Proportional to 22,155.96, 30,557.94 and 14,198.92

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Solution

The fourth proportional to 22,155.96, 30,557.94 and 14,198.92 is: 19,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.96 : 30,557.94 = 14,198.92 : x
  2. Step 2: Convert to fraction form
    22,155.96/30,557.94 = 14,198.92/x
  3. Step 3: Cross multiply
    22,155.96x = 30,557.94 × 14,198.92
  4. Step 4: Simplify right side
    22,155.96x = 433,889,674.43
  5. Step 5: Solve for x
    x = 433,889,674.43/22,155.96
  6. Step 6: Final answer
    x = 19,583.43

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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.