Home / 19,676.94-27,152.85-11,180.85

Finding the Fourth Proportional to 19,676.94, 27,152.85 and 11,180.85

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Solution

The fourth proportional to 19,676.94, 27,152.85 and 11,180.85 is: 15,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.94 : 27,152.85 = 11,180.85 : x
  2. Step 2: Convert to fraction form
    19,676.94/27,152.85 = 11,180.85/x
  3. Step 3: Cross multiply
    19,676.94x = 27,152.85 × 11,180.85
  4. Step 4: Simplify right side
    19,676.94x = 303,591,942.92
  5. Step 5: Solve for x
    x = 303,591,942.92/19,676.94
  6. Step 6: Final answer
    x = 15,428.82

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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.