Home / 17,067.28-25,608.72-7,709.80

Finding the Fourth Proportional to 17,067.28, 25,608.72 and 7,709.80

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Solution

The fourth proportional to 17,067.28, 25,608.72 and 7,709.80 is: 11,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,067.28 : 25,608.72 = 7,709.80 : x
  2. Step 2: Convert to fraction form
    17,067.28/25,608.72 = 7,709.80/x
  3. Step 3: Cross multiply
    17,067.28x = 25,608.72 × 7,709.80
  4. Step 4: Simplify right side
    17,067.28x = 197,438,109.46
  5. Step 5: Solve for x
    x = 197,438,109.46/17,067.28
  6. Step 6: Final answer
    x = 11,568.22

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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.