Home / 18,704.05-28,046.22-6,222.76

Finding the Fourth Proportional to 18,704.05, 28,046.22 and 6,222.76

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Solution

The fourth proportional to 18,704.05, 28,046.22 and 6,222.76 is: 9,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.05 : 28,046.22 = 6,222.76 : x
  2. Step 2: Convert to fraction form
    18,704.05/28,046.22 = 6,222.76/x
  3. Step 3: Cross multiply
    18,704.05x = 28,046.22 × 6,222.76
  4. Step 4: Simplify right side
    18,704.05x = 174,524,895.97
  5. Step 5: Solve for x
    x = 174,524,895.97/18,704.05
  6. Step 6: Final answer
    x = 9,330.86

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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.