Home / 18,057.89-27,057.66-6,951.57

Finding the Fourth Proportional to 18,057.89, 27,057.66 and 6,951.57

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Solution

The fourth proportional to 18,057.89, 27,057.66 and 6,951.57 is: 10,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.89 : 27,057.66 = 6,951.57 : x
  2. Step 2: Convert to fraction form
    18,057.89/27,057.66 = 6,951.57/x
  3. Step 3: Cross multiply
    18,057.89x = 27,057.66 × 6,951.57
  4. Step 4: Simplify right side
    18,057.89x = 188,093,217.53
  5. Step 5: Solve for x
    x = 188,093,217.53/18,057.89
  6. Step 6: Final answer
    x = 10,416.13

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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.