Home / 19,634.82-29,452.10-7,947.87

Finding the Fourth Proportional to 19,634.82, 29,452.10 and 7,947.87

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Solution

The fourth proportional to 19,634.82, 29,452.10 and 7,947.87 is: 11,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,634.82 : 29,452.10 = 7,947.87 : x
  2. Step 2: Convert to fraction form
    19,634.82/29,452.10 = 7,947.87/x
  3. Step 3: Cross multiply
    19,634.82x = 29,452.10 × 7,947.87
  4. Step 4: Simplify right side
    19,634.82x = 234,081,422.29
  5. Step 5: Solve for x
    x = 234,081,422.29/19,634.82
  6. Step 6: Final answer
    x = 11,921.75

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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.