Home / 20,166.91-27,832.60-11,668.95

Finding the Fourth Proportional to 20,166.91, 27,832.60 and 11,668.95

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Solution

The fourth proportional to 20,166.91, 27,832.60 and 11,668.95 is: 16,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.91 : 27,832.60 = 11,668.95 : x
  2. Step 2: Convert to fraction form
    20,166.91/27,832.60 = 11,668.95/x
  3. Step 3: Cross multiply
    20,166.91x = 27,832.60 × 11,668.95
  4. Step 4: Simplify right side
    20,166.91x = 324,777,217.77
  5. Step 5: Solve for x
    x = 324,777,217.77/20,166.91
  6. Step 6: Final answer
    x = 16,104.46

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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.