Home / 18,540.39-25,568.60-16,408.02

Finding the Fourth Proportional to 18,540.39, 25,568.60 and 16,408.02

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Solution

The fourth proportional to 18,540.39, 25,568.60 and 16,408.02 is: 22,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.39 : 25,568.60 = 16,408.02 : x
  2. Step 2: Convert to fraction form
    18,540.39/25,568.60 = 16,408.02/x
  3. Step 3: Cross multiply
    18,540.39x = 25,568.60 × 16,408.02
  4. Step 4: Simplify right side
    18,540.39x = 419,530,018.13
  5. Step 5: Solve for x
    x = 419,530,018.13/18,540.39
  6. Step 6: Final answer
    x = 22,627.90

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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.