Home / 19,022.27-28,517.94-7,937.22

Finding the Fourth Proportional to 19,022.27, 28,517.94 and 7,937.22

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Solution

The fourth proportional to 19,022.27, 28,517.94 and 7,937.22 is: 11,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.27 : 28,517.94 = 7,937.22 : x
  2. Step 2: Convert to fraction form
    19,022.27/28,517.94 = 7,937.22/x
  3. Step 3: Cross multiply
    19,022.27x = 28,517.94 × 7,937.22
  4. Step 4: Simplify right side
    19,022.27x = 226,353,163.73
  5. Step 5: Solve for x
    x = 226,353,163.73/19,022.27
  6. Step 6: Final answer
    x = 11,899.38

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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.