Home / 20,192.45-27,867.08-11,696.85

Finding the Fourth Proportional to 20,192.45, 27,867.08 and 11,696.85

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Solution

The fourth proportional to 20,192.45, 27,867.08 and 11,696.85 is: 16,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.45 : 27,867.08 = 11,696.85 : x
  2. Step 2: Convert to fraction form
    20,192.45/27,867.08 = 11,696.85/x
  3. Step 3: Cross multiply
    20,192.45x = 27,867.08 × 11,696.85
  4. Step 4: Simplify right side
    20,192.45x = 325,957,083.94
  5. Step 5: Solve for x
    x = 325,957,083.94/20,192.45
  6. Step 6: Final answer
    x = 16,142.53

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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.