Home / 16,540.96-22,689.80-16,195.36

Finding the Fourth Proportional to 16,540.96, 22,689.80 and 16,195.36

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Solution

The fourth proportional to 16,540.96, 22,689.80 and 16,195.36 is: 22,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,540.96 : 22,689.80 = 16,195.36 : x
  2. Step 2: Convert to fraction form
    16,540.96/22,689.80 = 16,195.36/x
  3. Step 3: Cross multiply
    16,540.96x = 22,689.80 × 16,195.36
  4. Step 4: Simplify right side
    16,540.96x = 367,469,479.33
  5. Step 5: Solve for x
    x = 367,469,479.33/16,540.96
  6. Step 6: Final answer
    x = 22,215.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.