Home / 20,176.48-27,844.08-11,224.88

Finding the Fourth Proportional to 20,176.48, 27,844.08 and 11,224.88

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Solution

The fourth proportional to 20,176.48, 27,844.08 and 11,224.88 is: 15,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.48 : 27,844.08 = 11,224.88 : x
  2. Step 2: Convert to fraction form
    20,176.48/27,844.08 = 11,224.88/x
  3. Step 3: Cross multiply
    20,176.48x = 27,844.08 × 11,224.88
  4. Step 4: Simplify right side
    20,176.48x = 312,546,456.71
  5. Step 5: Solve for x
    x = 312,546,456.71/20,176.48
  6. Step 6: Final answer
    x = 15,490.63

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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.