Home / 16,040.57-22,135.61-8,967.65

Finding the Fourth Proportional to 16,040.57, 22,135.61 and 8,967.65

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Solution

The fourth proportional to 16,040.57, 22,135.61 and 8,967.65 is: 12,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.57 : 22,135.61 = 8,967.65 : x
  2. Step 2: Convert to fraction form
    16,040.57/22,135.61 = 8,967.65/x
  3. Step 3: Cross multiply
    16,040.57x = 22,135.61 × 8,967.65
  4. Step 4: Simplify right side
    16,040.57x = 198,504,314.76
  5. Step 5: Solve for x
    x = 198,504,314.76/16,040.57
  6. Step 6: Final answer
    x = 12,375.14

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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.