Home / 19,891.22-29,836.04-6,743.61

Finding the Fourth Proportional to 19,891.22, 29,836.04 and 6,743.61

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Solution

The fourth proportional to 19,891.22, 29,836.04 and 6,743.61 is: 10,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.22 : 29,836.04 = 6,743.61 : x
  2. Step 2: Convert to fraction form
    19,891.22/29,836.04 = 6,743.61/x
  3. Step 3: Cross multiply
    19,891.22x = 29,836.04 × 6,743.61
  4. Step 4: Simplify right side
    19,891.22x = 201,202,583.99
  5. Step 5: Solve for x
    x = 201,202,583.99/19,891.22
  6. Step 6: Final answer
    x = 10,115.15

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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.