Home / 26,149.20-39,240-10,566.96

Finding the Fourth Proportional to 26,149.20, 39,240 and 10,566.96

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Solution

The fourth proportional to 26,149.20, 39,240 and 10,566.96 is: 15,856.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,149.20 : 39,240 = 10,566.96 : x
  2. Step 2: Convert to fraction form
    26,149.20/39,240 = 10,566.96/x
  3. Step 3: Cross multiply
    26,149.20x = 39,240 × 10,566.96
  4. Step 4: Simplify right side
    26,149.20x = 414,647,510.40
  5. Step 5: Solve for x
    x = 414,647,510.40/26,149.20
  6. Step 6: Final answer
    x = 15,856.99

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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.