Home / 20,233.92-27,923.13-11,736.78

Finding the Fourth Proportional to 20,233.92, 27,923.13 and 11,736.78

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Solution

The fourth proportional to 20,233.92, 27,923.13 and 11,736.78 is: 16,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.92 : 27,923.13 = 11,736.78 : x
  2. Step 2: Convert to fraction form
    20,233.92/27,923.13 = 11,736.78/x
  3. Step 3: Cross multiply
    20,233.92x = 27,923.13 × 11,736.78
  4. Step 4: Simplify right side
    20,233.92x = 327,727,633.72
  5. Step 5: Solve for x
    x = 327,727,633.72/20,233.92
  6. Step 6: Final answer
    x = 16,196.94

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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.