Home / 20,234.25-27,926.91-11,850.75

Finding the Fourth Proportional to 20,234.25, 27,926.91 and 11,850.75

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Solution

The fourth proportional to 20,234.25, 27,926.91 and 11,850.75 is: 16,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.25 : 27,926.91 = 11,850.75 : x
  2. Step 2: Convert to fraction form
    20,234.25/27,926.91 = 11,850.75/x
  3. Step 3: Cross multiply
    20,234.25x = 27,926.91 × 11,850.75
  4. Step 4: Simplify right side
    20,234.25x = 330,954,828.68
  5. Step 5: Solve for x
    x = 330,954,828.68/20,234.25
  6. Step 6: Final answer
    x = 16,356.17

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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.