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Finding the Fourth Proportional to 16,565.92, 24,789.36 and 12,172.48

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Solution

The fourth proportional to 16,565.92, 24,789.36 and 12,172.48 is: 18,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,565.92 : 24,789.36 = 12,172.48 : x
  2. Step 2: Convert to fraction form
    16,565.92/24,789.36 = 12,172.48/x
  3. Step 3: Cross multiply
    16,565.92x = 24,789.36 × 12,172.48
  4. Step 4: Simplify right side
    16,565.92x = 301,747,988.81
  5. Step 5: Solve for x
    x = 301,747,988.81/16,565.92
  6. Step 6: Final answer
    x = 18,214.99

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