Home / 14,974.45-20,671.37-9,671.85

Finding the Fourth Proportional to 14,974.45, 20,671.37 and 9,671.85

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Solution

The fourth proportional to 14,974.45, 20,671.37 and 9,671.85 is: 13,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.45 : 20,671.37 = 9,671.85 : x
  2. Step 2: Convert to fraction form
    14,974.45/20,671.37 = 9,671.85/x
  3. Step 3: Cross multiply
    14,974.45x = 20,671.37 × 9,671.85
  4. Step 4: Simplify right side
    14,974.45x = 199,930,414.11
  5. Step 5: Solve for x
    x = 199,930,414.11/14,974.45
  6. Step 6: Final answer
    x = 13,351.44

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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.