Home / 16,272.68-22,455.42-9,198.68

Finding the Fourth Proportional to 16,272.68, 22,455.42 and 9,198.68

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Solution

The fourth proportional to 16,272.68, 22,455.42 and 9,198.68 is: 12,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.68 : 22,455.42 = 9,198.68 : x
  2. Step 2: Convert to fraction form
    16,272.68/22,455.42 = 9,198.68/x
  3. Step 3: Cross multiply
    16,272.68x = 22,455.42 × 9,198.68
  4. Step 4: Simplify right side
    16,272.68x = 206,560,222.85
  5. Step 5: Solve for x
    x = 206,560,222.85/16,272.68
  6. Step 6: Final answer
    x = 12,693.68

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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.