Home / 21,067.48-29,073.10-11,636.04

Finding the Fourth Proportional to 21,067.48, 29,073.10 and 11,636.04

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Solution

The fourth proportional to 21,067.48, 29,073.10 and 11,636.04 is: 16,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067.48 : 29,073.10 = 11,636.04 : x
  2. Step 2: Convert to fraction form
    21,067.48/29,073.10 = 11,636.04/x
  3. Step 3: Cross multiply
    21,067.48x = 29,073.10 × 11,636.04
  4. Step 4: Simplify right side
    21,067.48x = 338,295,754.52
  5. Step 5: Solve for x
    x = 338,295,754.52/21,067.48
  6. Step 6: Final answer
    x = 16,057.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.