Home / 19,982.12-29,977.77-6,834.47

Finding the Fourth Proportional to 19,982.12, 29,977.77 and 6,834.47

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Solution

The fourth proportional to 19,982.12, 29,977.77 and 6,834.47 is: 10,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.12 : 29,977.77 = 6,834.47 : x
  2. Step 2: Convert to fraction form
    19,982.12/29,977.77 = 6,834.47/x
  3. Step 3: Cross multiply
    19,982.12x = 29,977.77 × 6,834.47
  4. Step 4: Simplify right side
    19,982.12x = 204,882,169.73
  5. Step 5: Solve for x
    x = 204,882,169.73/19,982.12
  6. Step 6: Final answer
    x = 10,253.27

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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.