Home / 15,571.44-21,493.80-9,600.48

Finding the Fourth Proportional to 15,571.44, 21,493.80 and 9,600.48

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Solution

The fourth proportional to 15,571.44, 21,493.80 and 9,600.48 is: 13,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571.44 : 21,493.80 = 9,600.48 : x
  2. Step 2: Convert to fraction form
    15,571.44/21,493.80 = 9,600.48/x
  3. Step 3: Cross multiply
    15,571.44x = 21,493.80 × 9,600.48
  4. Step 4: Simplify right side
    15,571.44x = 206,350,797.02
  5. Step 5: Solve for x
    x = 206,350,797.02/15,571.44
  6. Step 6: Final answer
    x = 13,251.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.