Home / 18,163.36-25,067.26-12,207.44

Finding the Fourth Proportional to 18,163.36, 25,067.26 and 12,207.44

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Solution

The fourth proportional to 18,163.36, 25,067.26 and 12,207.44 is: 16,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.36 : 25,067.26 = 12,207.44 : x
  2. Step 2: Convert to fraction form
    18,163.36/25,067.26 = 12,207.44/x
  3. Step 3: Cross multiply
    18,163.36x = 25,067.26 × 12,207.44
  4. Step 4: Simplify right side
    18,163.36x = 306,007,072.41
  5. Step 5: Solve for x
    x = 306,007,072.41/18,163.36
  6. Step 6: Final answer
    x = 16,847.49

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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.