Home / 36,949.68-55,440.72-13,582.80

Finding the Fourth Proportional to 36,949.68, 55,440.72 and 13,582.80

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Solution

The fourth proportional to 36,949.68, 55,440.72 and 13,582.80 is: 20,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,949.68 : 55,440.72 = 13,582.80 : x
  2. Step 2: Convert to fraction form
    36,949.68/55,440.72 = 13,582.80/x
  3. Step 3: Cross multiply
    36,949.68x = 55,440.72 × 13,582.80
  4. Step 4: Simplify right side
    36,949.68x = 753,040,211.62
  5. Step 5: Solve for x
    x = 753,040,211.62/36,949.68
  6. Step 6: Final answer
    x = 20,380.16

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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.