Home / 16,040.82-22,136.84-8,967.21

Finding the Fourth Proportional to 16,040.82, 22,136.84 and 8,967.21

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Solution

The fourth proportional to 16,040.82, 22,136.84 and 8,967.21 is: 12,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.82 : 22,136.84 = 8,967.21 : x
  2. Step 2: Convert to fraction form
    16,040.82/22,136.84 = 8,967.21/x
  3. Step 3: Cross multiply
    16,040.82x = 22,136.84 × 8,967.21
  4. Step 4: Simplify right side
    16,040.82x = 198,505,648.18
  5. Step 5: Solve for x
    x = 198,505,648.18/16,040.82
  6. Step 6: Final answer
    x = 12,375.03

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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.