Home / 18,480.12-27,722.91-6,792.42

Finding the Fourth Proportional to 18,480.12, 27,722.91 and 6,792.42

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Solution

The fourth proportional to 18,480.12, 27,722.91 and 6,792.42 is: 10,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.12 : 27,722.91 = 6,792.42 : x
  2. Step 2: Convert to fraction form
    18,480.12/27,722.91 = 6,792.42/x
  3. Step 3: Cross multiply
    18,480.12x = 27,722.91 × 6,792.42
  4. Step 4: Simplify right side
    18,480.12x = 188,305,648.34
  5. Step 5: Solve for x
    x = 188,305,648.34/18,480.12
  6. Step 6: Final answer
    x = 10,189.63

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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.