Home / 20,222.44-27,907.27-11,725.20

Finding the Fourth Proportional to 20,222.44, 27,907.27 and 11,725.20

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Solution

The fourth proportional to 20,222.44, 27,907.27 and 11,725.20 is: 16,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.44 : 27,907.27 = 11,725.20 : x
  2. Step 2: Convert to fraction form
    20,222.44/27,907.27 = 11,725.20/x
  3. Step 3: Cross multiply
    20,222.44x = 27,907.27 × 11,725.20
  4. Step 4: Simplify right side
    20,222.44x = 327,218,322.20
  5. Step 5: Solve for x
    x = 327,218,322.20/20,222.44
  6. Step 6: Final answer
    x = 16,180.95

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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.