Home / 19,839.06-29,759.28-6,691.56

Finding the Fourth Proportional to 19,839.06, 29,759.28 and 6,691.56

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Solution

The fourth proportional to 19,839.06, 29,759.28 and 6,691.56 is: 10,037.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.06 : 29,759.28 = 6,691.56 : x
  2. Step 2: Convert to fraction form
    19,839.06/29,759.28 = 6,691.56/x
  3. Step 3: Cross multiply
    19,839.06x = 29,759.28 × 6,691.56
  4. Step 4: Simplify right side
    19,839.06x = 199,136,007.68
  5. Step 5: Solve for x
    x = 199,136,007.68/19,839.06
  6. Step 6: Final answer
    x = 10,037.57

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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.