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Finding the Fourth Proportional to 16,787.76, 25,160.10 and 14,185.92

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Solution

The fourth proportional to 16,787.76, 25,160.10 and 14,185.92 is: 21,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.76 : 25,160.10 = 14,185.92 : x
  2. Step 2: Convert to fraction form
    16,787.76/25,160.10 = 14,185.92/x
  3. Step 3: Cross multiply
    16,787.76x = 25,160.10 × 14,185.92
  4. Step 4: Simplify right side
    16,787.76x = 356,919,165.79
  5. Step 5: Solve for x
    x = 356,919,165.79/16,787.76
  6. Step 6: Final answer
    x = 21,260.68

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