Home / 13,586.97-20,380.43-3,727.02

Finding the Fourth Proportional to 13,586.97, 20,380.43 and 3,727.02

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Solution

The fourth proportional to 13,586.97, 20,380.43 and 3,727.02 is: 5,590.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.97 : 20,380.43 = 3,727.02 : x
  2. Step 2: Convert to fraction form
    13,586.97/20,380.43 = 3,727.02/x
  3. Step 3: Cross multiply
    13,586.97x = 20,380.43 × 3,727.02
  4. Step 4: Simplify right side
    13,586.97x = 75,958,279.54
  5. Step 5: Solve for x
    x = 75,958,279.54/13,586.97
  6. Step 6: Final answer
    x = 5,590.52

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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.