Home / 20,244.54-27,932.54-12,286.56

Finding the Fourth Proportional to 20,244.54, 27,932.54 and 12,286.56

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Solution

The fourth proportional to 20,244.54, 27,932.54 and 12,286.56 is: 16,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.54 : 27,932.54 = 12,286.56 : x
  2. Step 2: Convert to fraction form
    20,244.54/27,932.54 = 12,286.56/x
  3. Step 3: Cross multiply
    20,244.54x = 27,932.54 × 12,286.56
  4. Step 4: Simplify right side
    20,244.54x = 343,194,767.23
  5. Step 5: Solve for x
    x = 343,194,767.23/20,244.54
  6. Step 6: Final answer
    x = 16,952.46

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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.