Home / 13,906.33-20,851.08-5,462.73

Finding the Fourth Proportional to 13,906.33, 20,851.08 and 5,462.73

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Solution

The fourth proportional to 13,906.33, 20,851.08 and 5,462.73 is: 8,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.33 : 20,851.08 = 5,462.73 : x
  2. Step 2: Convert to fraction form
    13,906.33/20,851.08 = 5,462.73/x
  3. Step 3: Cross multiply
    13,906.33x = 20,851.08 × 5,462.73
  4. Step 4: Simplify right side
    13,906.33x = 113,903,729.65
  5. Step 5: Solve for x
    x = 113,903,729.65/13,906.33
  6. Step 6: Final answer
    x = 8,190.78

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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.