Home / 16,040.43-22,136.09-8,966.09

Finding the Fourth Proportional to 16,040.43, 22,136.09 and 8,966.09

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Solution

The fourth proportional to 16,040.43, 22,136.09 and 8,966.09 is: 12,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.43 : 22,136.09 = 8,966.09 : x
  2. Step 2: Convert to fraction form
    16,040.43/22,136.09 = 8,966.09/x
  3. Step 3: Cross multiply
    16,040.43x = 22,136.09 × 8,966.09
  4. Step 4: Simplify right side
    16,040.43x = 198,474,185.70
  5. Step 5: Solve for x
    x = 198,474,185.70/16,040.43
  6. Step 6: Final answer
    x = 12,373.37

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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.