Home / 14,481.60-21,723.84-5,245.44

Finding the Fourth Proportional to 14,481.60, 21,723.84 and 5,245.44

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Solution

The fourth proportional to 14,481.60, 21,723.84 and 5,245.44 is: 7,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.60 : 21,723.84 = 5,245.44 : x
  2. Step 2: Convert to fraction form
    14,481.60/21,723.84 = 5,245.44/x
  3. Step 3: Cross multiply
    14,481.60x = 21,723.84 × 5,245.44
  4. Step 4: Simplify right side
    14,481.60x = 113,951,099.29
  5. Step 5: Solve for x
    x = 113,951,099.29/14,481.60
  6. Step 6: Final answer
    x = 7,868.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.