Home / 20,236.27-27,925.32-11,738.56

Finding the Fourth Proportional to 20,236.27, 27,925.32 and 11,738.56

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Solution

The fourth proportional to 20,236.27, 27,925.32 and 11,738.56 is: 16,198.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.27 : 27,925.32 = 11,738.56 : x
  2. Step 2: Convert to fraction form
    20,236.27/27,925.32 = 11,738.56/x
  3. Step 3: Cross multiply
    20,236.27x = 27,925.32 × 11,738.56
  4. Step 4: Simplify right side
    20,236.27x = 327,803,044.34
  5. Step 5: Solve for x
    x = 327,803,044.34/20,236.27
  6. Step 6: Final answer
    x = 16,198.79

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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.