Home / 26,474.68-39,651.54-12,633.40

Finding the Fourth Proportional to 26,474.68, 39,651.54 and 12,633.40

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Solution

The fourth proportional to 26,474.68, 39,651.54 and 12,633.40 is: 18,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,474.68 : 39,651.54 = 12,633.40 : x
  2. Step 2: Convert to fraction form
    26,474.68/39,651.54 = 12,633.40/x
  3. Step 3: Cross multiply
    26,474.68x = 39,651.54 × 12,633.40
  4. Step 4: Simplify right side
    26,474.68x = 500,933,765.44
  5. Step 5: Solve for x
    x = 500,933,765.44/26,474.68
  6. Step 6: Final answer
    x = 18,921.24

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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.