Home / 18,195.82-24,976.08-16,161.91

Finding the Fourth Proportional to 18,195.82, 24,976.08 and 16,161.91

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Solution

The fourth proportional to 18,195.82, 24,976.08 and 16,161.91 is: 22,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.82 : 24,976.08 = 16,161.91 : x
  2. Step 2: Convert to fraction form
    18,195.82/24,976.08 = 16,161.91/x
  3. Step 3: Cross multiply
    18,195.82x = 24,976.08 × 16,161.91
  4. Step 4: Simplify right side
    18,195.82x = 403,661,157.11
  5. Step 5: Solve for x
    x = 403,661,157.11/18,195.82
  6. Step 6: Final answer
    x = 22,184.28

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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.