Home / 18,087.91-27,136.17-7,552.07

Finding the Fourth Proportional to 18,087.91, 27,136.17 and 7,552.07

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Solution

The fourth proportional to 18,087.91, 27,136.17 and 7,552.07 is: 11,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.91 : 27,136.17 = 7,552.07 : x
  2. Step 2: Convert to fraction form
    18,087.91/27,136.17 = 7,552.07/x
  3. Step 3: Cross multiply
    18,087.91x = 27,136.17 × 7,552.07
  4. Step 4: Simplify right side
    18,087.91x = 204,934,119.69
  5. Step 5: Solve for x
    x = 204,934,119.69/18,087.91
  6. Step 6: Final answer
    x = 11,329.90

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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.