Home / 16,271.82-22,456.08-9,198.90

Finding the Fourth Proportional to 16,271.82, 22,456.08 and 9,198.90

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Solution

The fourth proportional to 16,271.82, 22,456.08 and 9,198.90 is: 12,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,271.82 : 22,456.08 = 9,198.90 : x
  2. Step 2: Convert to fraction form
    16,271.82/22,456.08 = 9,198.90/x
  3. Step 3: Cross multiply
    16,271.82x = 22,456.08 × 9,198.90
  4. Step 4: Simplify right side
    16,271.82x = 206,571,234.31
  5. Step 5: Solve for x
    x = 206,571,234.31/16,271.82
  6. Step 6: Final answer
    x = 12,695.03

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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.