Home / 13,738.88-20,584.78-9,227.48

Finding the Fourth Proportional to 13,738.88, 20,584.78 and 9,227.48

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Solution

The fourth proportional to 13,738.88, 20,584.78 and 9,227.48 is: 13,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.88 : 20,584.78 = 9,227.48 : x
  2. Step 2: Convert to fraction form
    13,738.88/20,584.78 = 9,227.48/x
  3. Step 3: Cross multiply
    13,738.88x = 20,584.78 × 9,227.48
  4. Step 4: Simplify right side
    13,738.88x = 189,945,645.75
  5. Step 5: Solve for x
    x = 189,945,645.75/13,738.88
  6. Step 6: Final answer
    x = 13,825.41

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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.