Home / 19,022.99-28,540.57-9,163.27

Finding the Fourth Proportional to 19,022.99, 28,540.57 and 9,163.27

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Solution

The fourth proportional to 19,022.99, 28,540.57 and 9,163.27 is: 13,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.99 : 28,540.57 = 9,163.27 : x
  2. Step 2: Convert to fraction form
    19,022.99/28,540.57 = 9,163.27/x
  3. Step 3: Cross multiply
    19,022.99x = 28,540.57 × 9,163.27
  4. Step 4: Simplify right side
    19,022.99x = 261,524,854.60
  5. Step 5: Solve for x
    x = 261,524,854.60/19,022.99
  6. Step 6: Final answer
    x = 13,747.83

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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.