Home / 13,797.22-20,698.56-5,481.15

Finding the Fourth Proportional to 13,797.22, 20,698.56 and 5,481.15

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Solution

The fourth proportional to 13,797.22, 20,698.56 and 5,481.15 is: 8,222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.22 : 20,698.56 = 5,481.15 : x
  2. Step 2: Convert to fraction form
    13,797.22/20,698.56 = 5,481.15/x
  3. Step 3: Cross multiply
    13,797.22x = 20,698.56 × 5,481.15
  4. Step 4: Simplify right side
    13,797.22x = 113,451,912.14
  5. Step 5: Solve for x
    x = 113,451,912.14/13,797.22
  6. Step 6: Final answer
    x = 8,222.81

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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.