Home / 18,244.28-25,177.34-11,072.13

Finding the Fourth Proportional to 18,244.28, 25,177.34 and 11,072.13

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Solution

The fourth proportional to 18,244.28, 25,177.34 and 11,072.13 is: 15,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.28 : 25,177.34 = 11,072.13 : x
  2. Step 2: Convert to fraction form
    18,244.28/25,177.34 = 11,072.13/x
  3. Step 3: Cross multiply
    18,244.28x = 25,177.34 × 11,072.13
  4. Step 4: Simplify right side
    18,244.28x = 278,766,809.21
  5. Step 5: Solve for x
    x = 278,766,809.21/18,244.28
  6. Step 6: Final answer
    x = 15,279.69

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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.