Home / 17,198.67-25,796.55-12,180.30

Finding the Fourth Proportional to 17,198.67, 25,796.55 and 12,180.30

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Solution

The fourth proportional to 17,198.67, 25,796.55 and 12,180.30 is: 18,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,198.67 : 25,796.55 = 12,180.30 : x
  2. Step 2: Convert to fraction form
    17,198.67/25,796.55 = 12,180.30/x
  3. Step 3: Cross multiply
    17,198.67x = 25,796.55 × 12,180.30
  4. Step 4: Simplify right side
    17,198.67x = 314,209,717.97
  5. Step 5: Solve for x
    x = 314,209,717.97/17,198.67
  6. Step 6: Final answer
    x = 18,269.42

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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.