Home / 18,286.37-27,433.38-10,392.57

Finding the Fourth Proportional to 18,286.37, 27,433.38 and 10,392.57

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Solution

The fourth proportional to 18,286.37, 27,433.38 and 10,392.57 is: 15,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.37 : 27,433.38 = 10,392.57 : x
  2. Step 2: Convert to fraction form
    18,286.37/27,433.38 = 10,392.57/x
  3. Step 3: Cross multiply
    18,286.37x = 27,433.38 × 10,392.57
  4. Step 4: Simplify right side
    18,286.37x = 285,103,321.99
  5. Step 5: Solve for x
    x = 285,103,321.99/18,286.37
  6. Step 6: Final answer
    x = 15,591.03

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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.