Home / 19,983.62-29,980.02-6,835.97

Finding the Fourth Proportional to 19,983.62, 29,980.02 and 6,835.97

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Solution

The fourth proportional to 19,983.62, 29,980.02 and 6,835.97 is: 10,255.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.62 : 29,980.02 = 6,835.97 : x
  2. Step 2: Convert to fraction form
    19,983.62/29,980.02 = 6,835.97/x
  3. Step 3: Cross multiply
    19,983.62x = 29,980.02 × 6,835.97
  4. Step 4: Simplify right side
    19,983.62x = 204,942,517.32
  5. Step 5: Solve for x
    x = 204,942,517.32/19,983.62
  6. Step 6: Final answer
    x = 10,255.53

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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.