Home / 22,921.74-34,382.70-8,131.11

Finding the Fourth Proportional to 22,921.74, 34,382.70 and 8,131.11

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Solution

The fourth proportional to 22,921.74, 34,382.70 and 8,131.11 is: 12,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,921.74 : 34,382.70 = 8,131.11 : x
  2. Step 2: Convert to fraction form
    22,921.74/34,382.70 = 8,131.11/x
  3. Step 3: Cross multiply
    22,921.74x = 34,382.70 × 8,131.11
  4. Step 4: Simplify right side
    22,921.74x = 279,569,515.80
  5. Step 5: Solve for x
    x = 279,569,515.80/22,921.74
  6. Step 6: Final answer
    x = 12,196.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.