Home / 26,747.20-40,145.46-13,609

Finding the Fourth Proportional to 26,747.20, 40,145.46 and 13,609

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Solution

The fourth proportional to 26,747.20, 40,145.46 and 13,609 is: 20,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.20 : 40,145.46 = 13,609 : x
  2. Step 2: Convert to fraction form
    26,747.20/40,145.46 = 13,609/x
  3. Step 3: Cross multiply
    26,747.20x = 40,145.46 × 13,609
  4. Step 4: Simplify right side
    26,747.20x = 546,339,565.14
  5. Step 5: Solve for x
    x = 546,339,565.14/26,747.20
  6. Step 6: Final answer
    x = 20,426.05

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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.