Home / 18,265.20-27,398.76-5,786.55

Finding the Fourth Proportional to 18,265.20, 27,398.76 and 5,786.55

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Solution

The fourth proportional to 18,265.20, 27,398.76 and 5,786.55 is: 8,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.20 : 27,398.76 = 5,786.55 : x
  2. Step 2: Convert to fraction form
    18,265.20/27,398.76 = 5,786.55/x
  3. Step 3: Cross multiply
    18,265.20x = 27,398.76 × 5,786.55
  4. Step 4: Simplify right side
    18,265.20x = 158,544,294.68
  5. Step 5: Solve for x
    x = 158,544,294.68/18,265.20
  6. Step 6: Final answer
    x = 8,680.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.