Home / 20,176.56-27,843.72-11,224.56

Finding the Fourth Proportional to 20,176.56, 27,843.72 and 11,224.56

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Solution

The fourth proportional to 20,176.56, 27,843.72 and 11,224.56 is: 15,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.56 : 27,843.72 = 11,224.56 : x
  2. Step 2: Convert to fraction form
    20,176.56/27,843.72 = 11,224.56/x
  3. Step 3: Cross multiply
    20,176.56x = 27,843.72 × 11,224.56
  4. Step 4: Simplify right side
    20,176.56x = 312,533,505.76
  5. Step 5: Solve for x
    x = 312,533,505.76/20,176.56
  6. Step 6: Final answer
    x = 15,489.93

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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.