Home / 13,314.38-19,971.63-3,452.96

Finding the Fourth Proportional to 13,314.38, 19,971.63 and 3,452.96

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Solution

The fourth proportional to 13,314.38, 19,971.63 and 3,452.96 is: 5,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.38 : 19,971.63 = 3,452.96 : x
  2. Step 2: Convert to fraction form
    13,314.38/19,971.63 = 3,452.96/x
  3. Step 3: Cross multiply
    13,314.38x = 19,971.63 × 3,452.96
  4. Step 4: Simplify right side
    13,314.38x = 68,961,239.52
  5. Step 5: Solve for x
    x = 68,961,239.52/13,314.38
  6. Step 6: Final answer
    x = 5,179.46

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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.