Home / 20,196.16-27,872.33-11,244.49

Finding the Fourth Proportional to 20,196.16, 27,872.33 and 11,244.49

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Solution

The fourth proportional to 20,196.16, 27,872.33 and 11,244.49 is: 15,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.16 : 27,872.33 = 11,244.49 : x
  2. Step 2: Convert to fraction form
    20,196.16/27,872.33 = 11,244.49/x
  3. Step 3: Cross multiply
    20,196.16x = 27,872.33 × 11,244.49
  4. Step 4: Simplify right side
    20,196.16x = 313,410,010.06
  5. Step 5: Solve for x
    x = 313,410,010.06/20,196.16
  6. Step 6: Final answer
    x = 15,518.30

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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.