Home / 18,257.22-25,196.13-11,182.68

Finding the Fourth Proportional to 18,257.22, 25,196.13 and 11,182.68

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Solution

The fourth proportional to 18,257.22, 25,196.13 and 11,182.68 is: 15,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.22 : 25,196.13 = 11,182.68 : x
  2. Step 2: Convert to fraction form
    18,257.22/25,196.13 = 11,182.68/x
  3. Step 3: Cross multiply
    18,257.22x = 25,196.13 × 11,182.68
  4. Step 4: Simplify right side
    18,257.22x = 281,760,259.03
  5. Step 5: Solve for x
    x = 281,760,259.03/18,257.22
  6. Step 6: Final answer
    x = 15,432.81

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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.