Home / 18,729.88-25,846.76-10,771.92

Finding the Fourth Proportional to 18,729.88, 25,846.76 and 10,771.92

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Solution

The fourth proportional to 18,729.88, 25,846.76 and 10,771.92 is: 14,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.88 : 25,846.76 = 10,771.92 : x
  2. Step 2: Convert to fraction form
    18,729.88/25,846.76 = 10,771.92/x
  3. Step 3: Cross multiply
    18,729.88x = 25,846.76 × 10,771.92
  4. Step 4: Simplify right side
    18,729.88x = 278,419,230.98
  5. Step 5: Solve for x
    x = 278,419,230.98/18,729.88
  6. Step 6: Final answer
    x = 14,864.98

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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.