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Finding the Fourth Proportional to 14,951.15, 20,632.49 and 8,236.63

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Solution

The fourth proportional to 14,951.15, 20,632.49 and 8,236.63 is: 11,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.15 : 20,632.49 = 8,236.63 : x
  2. Step 2: Convert to fraction form
    14,951.15/20,632.49 = 8,236.63/x
  3. Step 3: Cross multiply
    14,951.15x = 20,632.49 × 8,236.63
  4. Step 4: Simplify right side
    14,951.15x = 169,942,131.88
  5. Step 5: Solve for x
    x = 169,942,131.88/14,951.15
  6. Step 6: Final answer
    x = 11,366.49

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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.