Home / 12,163.52-16,676.20-11,942.08

Finding the Fourth Proportional to 12,163.52, 16,676.20 and 11,942.08

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Solution

The fourth proportional to 12,163.52, 16,676.20 and 11,942.08 is: 16,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.52 : 16,676.20 = 11,942.08 : x
  2. Step 2: Convert to fraction form
    12,163.52/16,676.20 = 11,942.08/x
  3. Step 3: Cross multiply
    12,163.52x = 16,676.20 × 11,942.08
  4. Step 4: Simplify right side
    12,163.52x = 199,148,514.50
  5. Step 5: Solve for x
    x = 199,148,514.50/12,163.52
  6. Step 6: Final answer
    x = 16,372.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.