Home / 17,097.75-25,625.57-12,140.55

Finding the Fourth Proportional to 17,097.75, 25,625.57 and 12,140.55

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Solution

The fourth proportional to 17,097.75, 25,625.57 and 12,140.55 is: 18,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,097.75 : 25,625.57 = 12,140.55 : x
  2. Step 2: Convert to fraction form
    17,097.75/25,625.57 = 12,140.55/x
  3. Step 3: Cross multiply
    17,097.75x = 25,625.57 × 12,140.55
  4. Step 4: Simplify right side
    17,097.75x = 311,108,453.16
  5. Step 5: Solve for x
    x = 311,108,453.16/17,097.75
  6. Step 6: Final answer
    x = 18,195.87

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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.