Home / 19,721.24-29,534.82-10,934.36

Finding the Fourth Proportional to 19,721.24, 29,534.82 and 10,934.36

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Solution

The fourth proportional to 19,721.24, 29,534.82 and 10,934.36 is: 16,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.24 : 29,534.82 = 10,934.36 : x
  2. Step 2: Convert to fraction form
    19,721.24/29,534.82 = 10,934.36/x
  3. Step 3: Cross multiply
    19,721.24x = 29,534.82 × 10,934.36
  4. Step 4: Simplify right side
    19,721.24x = 322,944,354.42
  5. Step 5: Solve for x
    x = 322,944,354.42/19,721.24
  6. Step 6: Final answer
    x = 16,375.46

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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.