Home / 14,561.38-21,836.68-5,198.88

Finding the Fourth Proportional to 14,561.38, 21,836.68 and 5,198.88

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Solution

The fourth proportional to 14,561.38, 21,836.68 and 5,198.88 is: 7,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.38 : 21,836.68 = 5,198.88 : x
  2. Step 2: Convert to fraction form
    14,561.38/21,836.68 = 5,198.88/x
  3. Step 3: Cross multiply
    14,561.38x = 21,836.68 × 5,198.88
  4. Step 4: Simplify right side
    14,561.38x = 113,526,265.92
  5. Step 5: Solve for x
    x = 113,526,265.92/14,561.38
  6. Step 6: Final answer
    x = 7,796.40

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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.