Home / 18,175.75-25,072.82-12,197.14

Finding the Fourth Proportional to 18,175.75, 25,072.82 and 12,197.14

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Solution

The fourth proportional to 18,175.75, 25,072.82 and 12,197.14 is: 16,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.75 : 25,072.82 = 12,197.14 : x
  2. Step 2: Convert to fraction form
    18,175.75/25,072.82 = 12,197.14/x
  3. Step 3: Cross multiply
    18,175.75x = 25,072.82 × 12,197.14
  4. Step 4: Simplify right side
    18,175.75x = 305,816,634.75
  5. Step 5: Solve for x
    x = 305,816,634.75/18,175.75
  6. Step 6: Final answer
    x = 16,825.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.