Home / 12,732.31-19,099.14-3,372.76

Finding the Fourth Proportional to 12,732.31, 19,099.14 and 3,372.76

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Solution

The fourth proportional to 12,732.31, 19,099.14 and 3,372.76 is: 5,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.31 : 19,099.14 = 3,372.76 : x
  2. Step 2: Convert to fraction form
    12,732.31/19,099.14 = 3,372.76/x
  3. Step 3: Cross multiply
    12,732.31x = 19,099.14 × 3,372.76
  4. Step 4: Simplify right side
    12,732.31x = 64,416,815.43
  5. Step 5: Solve for x
    x = 64,416,815.43/12,732.31
  6. Step 6: Final answer
    x = 5,059.32

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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.