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Finding the Fourth Proportional to 14,223.26, 19,624.78 and 8,251.54

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Solution

The fourth proportional to 14,223.26, 19,624.78 and 8,251.54 is: 11,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.26 : 19,624.78 = 8,251.54 : x
  2. Step 2: Convert to fraction form
    14,223.26/19,624.78 = 8,251.54/x
  3. Step 3: Cross multiply
    14,223.26x = 19,624.78 × 8,251.54
  4. Step 4: Simplify right side
    14,223.26x = 161,934,618.41
  5. Step 5: Solve for x
    x = 161,934,618.41/14,223.26
  6. Step 6: Final answer
    x = 11,385.20

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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.