Home / 18,286.24-25,236.22-11,571.34

Finding the Fourth Proportional to 18,286.24, 25,236.22 and 11,571.34

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Solution

The fourth proportional to 18,286.24, 25,236.22 and 11,571.34 is: 15,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.24 : 25,236.22 = 11,571.34 : x
  2. Step 2: Convert to fraction form
    18,286.24/25,236.22 = 11,571.34/x
  3. Step 3: Cross multiply
    18,286.24x = 25,236.22 × 11,571.34
  4. Step 4: Simplify right side
    18,286.24x = 292,016,881.93
  5. Step 5: Solve for x
    x = 292,016,881.93/18,286.24
  6. Step 6: Final answer
    x = 15,969.21

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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.