Home / 22,780.82-34,171.03-7,198.45

Finding the Fourth Proportional to 22,780.82, 34,171.03 and 7,198.45

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Solution

The fourth proportional to 22,780.82, 34,171.03 and 7,198.45 is: 10,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.82 : 34,171.03 = 7,198.45 : x
  2. Step 2: Convert to fraction form
    22,780.82/34,171.03 = 7,198.45/x
  3. Step 3: Cross multiply
    22,780.82x = 34,171.03 × 7,198.45
  4. Step 4: Simplify right side
    22,780.82x = 245,978,450.90
  5. Step 5: Solve for x
    x = 245,978,450.90/22,780.82
  6. Step 6: Final answer
    x = 10,797.61

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1.5x scale

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.