Home / 18,833.98-25,997.88-16,170.70

Finding the Fourth Proportional to 18,833.98, 25,997.88 and 16,170.70

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Solution

The fourth proportional to 18,833.98, 25,997.88 and 16,170.70 is: 22,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.98 : 25,997.88 = 16,170.70 : x
  2. Step 2: Convert to fraction form
    18,833.98/25,997.88 = 16,170.70/x
  3. Step 3: Cross multiply
    18,833.98x = 25,997.88 × 16,170.70
  4. Step 4: Simplify right side
    18,833.98x = 420,403,918.12
  5. Step 5: Solve for x
    x = 420,403,918.12/18,833.98
  6. Step 6: Final answer
    x = 22,321.57

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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.