Home / 14,983.38-20,676.87-8,268.89

Finding the Fourth Proportional to 14,983.38, 20,676.87 and 8,268.89

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Solution

The fourth proportional to 14,983.38, 20,676.87 and 8,268.89 is: 11,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.38 : 20,676.87 = 8,268.89 : x
  2. Step 2: Convert to fraction form
    14,983.38/20,676.87 = 8,268.89/x
  3. Step 3: Cross multiply
    14,983.38x = 20,676.87 × 8,268.89
  4. Step 4: Simplify right side
    14,983.38x = 170,974,660.19
  5. Step 5: Solve for x
    x = 170,974,660.19/14,983.38
  6. Step 6: Final answer
    x = 11,410.95

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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.