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Finding the Fourth Proportional to 14,735.31, 22,102.95 and 12,132.78

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Solution

The fourth proportional to 14,735.31, 22,102.95 and 12,132.78 is: 18,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.31 : 22,102.95 = 12,132.78 : x
  2. Step 2: Convert to fraction form
    14,735.31/22,102.95 = 12,132.78/x
  3. Step 3: Cross multiply
    14,735.31x = 22,102.95 × 12,132.78
  4. Step 4: Simplify right side
    14,735.31x = 268,170,229.70
  5. Step 5: Solve for x
    x = 268,170,229.70/14,735.31
  6. Step 6: Final answer
    x = 18,199.16

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