Home / 20,196.83-27,872.74-11,244.14

Finding the Fourth Proportional to 20,196.83, 27,872.74 and 11,244.14

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Solution

The fourth proportional to 20,196.83, 27,872.74 and 11,244.14 is: 15,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.83 : 27,872.74 = 11,244.14 : x
  2. Step 2: Convert to fraction form
    20,196.83/27,872.74 = 11,244.14/x
  3. Step 3: Cross multiply
    20,196.83x = 27,872.74 × 11,244.14
  4. Step 4: Simplify right side
    20,196.83x = 313,404,906.71
  5. Step 5: Solve for x
    x = 313,404,906.71/20,196.83
  6. Step 6: Final answer
    x = 15,517.53

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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.