Home / 20,119.14-27,764.24-11,623.05

Finding the Fourth Proportional to 20,119.14, 27,764.24 and 11,623.05

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Solution

The fourth proportional to 20,119.14, 27,764.24 and 11,623.05 is: 16,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.14 : 27,764.24 = 11,623.05 : x
  2. Step 2: Convert to fraction form
    20,119.14/27,764.24 = 11,623.05/x
  3. Step 3: Cross multiply
    20,119.14x = 27,764.24 × 11,623.05
  4. Step 4: Simplify right side
    20,119.14x = 322,705,091.62
  5. Step 5: Solve for x
    x = 322,705,091.62/20,119.14
  6. Step 6: Final answer
    x = 16,039.71

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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.