Home / 13,076.44-18,049.02-7,488.28

Finding the Fourth Proportional to 13,076.44, 18,049.02 and 7,488.28

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Solution

The fourth proportional to 13,076.44, 18,049.02 and 7,488.28 is: 10,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.44 : 18,049.02 = 7,488.28 : x
  2. Step 2: Convert to fraction form
    13,076.44/18,049.02 = 7,488.28/x
  3. Step 3: Cross multiply
    13,076.44x = 18,049.02 × 7,488.28
  4. Step 4: Simplify right side
    13,076.44x = 135,156,115.49
  5. Step 5: Solve for x
    x = 135,156,115.49/13,076.44
  6. Step 6: Final answer
    x = 10,335.85

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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.