Home / 18,348.09-27,524.53-5,200.80

Finding the Fourth Proportional to 18,348.09, 27,524.53 and 5,200.80

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Solution

The fourth proportional to 18,348.09, 27,524.53 and 5,200.80 is: 7,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.09 : 27,524.53 = 5,200.80 : x
  2. Step 2: Convert to fraction form
    18,348.09/27,524.53 = 5,200.80/x
  3. Step 3: Cross multiply
    18,348.09x = 27,524.53 × 5,200.80
  4. Step 4: Simplify right side
    18,348.09x = 143,149,549.62
  5. Step 5: Solve for x
    x = 143,149,549.62/18,348.09
  6. Step 6: Final answer
    x = 7,801.88

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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.