Home / 18,161.13-27,256.41-9,398.55

Finding the Fourth Proportional to 18,161.13, 27,256.41 and 9,398.55

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Solution

The fourth proportional to 18,161.13, 27,256.41 and 9,398.55 is: 14,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.13 : 27,256.41 = 9,398.55 : x
  2. Step 2: Convert to fraction form
    18,161.13/27,256.41 = 9,398.55/x
  3. Step 3: Cross multiply
    18,161.13x = 27,256.41 × 9,398.55
  4. Step 4: Simplify right side
    18,161.13x = 256,170,732.21
  5. Step 5: Solve for x
    x = 256,170,732.21/18,161.13
  6. Step 6: Final answer
    x = 14,105.44

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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.