Home / 19,372.44-29,033.13-7,679.28

Finding the Fourth Proportional to 19,372.44, 29,033.13 and 7,679.28

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Solution

The fourth proportional to 19,372.44, 29,033.13 and 7,679.28 is: 11,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.44 : 29,033.13 = 7,679.28 : x
  2. Step 2: Convert to fraction form
    19,372.44/29,033.13 = 7,679.28/x
  3. Step 3: Cross multiply
    19,372.44x = 29,033.13 × 7,679.28
  4. Step 4: Simplify right side
    19,372.44x = 222,953,534.55
  5. Step 5: Solve for x
    x = 222,953,534.55/19,372.44
  6. Step 6: Final answer
    x = 11,508.80

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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.