Home / 12,732.22-19,099.29-3,372.20

Finding the Fourth Proportional to 12,732.22, 19,099.29 and 3,372.20

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Solution

The fourth proportional to 12,732.22, 19,099.29 and 3,372.20 is: 5,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.22 : 19,099.29 = 3,372.20 : x
  2. Step 2: Convert to fraction form
    12,732.22/19,099.29 = 3,372.20/x
  3. Step 3: Cross multiply
    12,732.22x = 19,099.29 × 3,372.20
  4. Step 4: Simplify right side
    12,732.22x = 64,406,614.51
  5. Step 5: Solve for x
    x = 64,406,614.51/12,732.22
  6. Step 6: Final answer
    x = 5,058.55

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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.