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Finding the Fourth Proportional to 14,013.96, 20,958.96 and 12,464.84

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Solution

The fourth proportional to 14,013.96, 20,958.96 and 12,464.84 is: 18,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.96 : 20,958.96 = 12,464.84 : x
  2. Step 2: Convert to fraction form
    14,013.96/20,958.96 = 12,464.84/x
  3. Step 3: Cross multiply
    14,013.96x = 20,958.96 × 12,464.84
  4. Step 4: Simplify right side
    14,013.96x = 261,250,082.97
  5. Step 5: Solve for x
    x = 261,250,082.97/14,013.96
  6. Step 6: Final answer
    x = 18,642.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.