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Finding the Fourth Proportional to 16,309.21, 24,472.02 and 12,157.56

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Solution

The fourth proportional to 16,309.21, 24,472.02 and 12,157.56 is: 18,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,309.21 : 24,472.02 = 12,157.56 : x
  2. Step 2: Convert to fraction form
    16,309.21/24,472.02 = 12,157.56/x
  3. Step 3: Cross multiply
    16,309.21x = 24,472.02 × 12,157.56
  4. Step 4: Simplify right side
    16,309.21x = 297,520,051.47
  5. Step 5: Solve for x
    x = 297,520,051.47/16,309.21
  6. Step 6: Final answer
    x = 18,242.46

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