Home / 22,769.12-34,153.88-8,725.80

Finding the Fourth Proportional to 22,769.12, 34,153.88 and 8,725.80

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Solution

The fourth proportional to 22,769.12, 34,153.88 and 8,725.80 is: 13,088.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,769.12 : 34,153.88 = 8,725.80 : x
  2. Step 2: Convert to fraction form
    22,769.12/34,153.88 = 8,725.80/x
  3. Step 3: Cross multiply
    22,769.12x = 34,153.88 × 8,725.80
  4. Step 4: Simplify right side
    22,769.12x = 298,019,882.48
  5. Step 5: Solve for x
    x = 298,019,882.48/22,769.12
  6. Step 6: Final answer
    x = 13,088.78

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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.