Home / 13,727.80-20,591.66-5,525.56

Finding the Fourth Proportional to 13,727.80, 20,591.66 and 5,525.56

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Solution

The fourth proportional to 13,727.80, 20,591.66 and 5,525.56 is: 8,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.80 : 20,591.66 = 5,525.56 : x
  2. Step 2: Convert to fraction form
    13,727.80/20,591.66 = 5,525.56/x
  3. Step 3: Cross multiply
    13,727.80x = 20,591.66 × 5,525.56
  4. Step 4: Simplify right side
    13,727.80x = 113,780,452.83
  5. Step 5: Solve for x
    x = 113,780,452.83/13,727.80
  6. Step 6: Final answer
    x = 8,288.32

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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.