Home / 39,022.67-58,542.20-12,745.86

Finding the Fourth Proportional to 39,022.67, 58,542.20 and 12,745.86

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Solution

The fourth proportional to 39,022.67, 58,542.20 and 12,745.86 is: 19,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,022.67 : 58,542.20 = 12,745.86 : x
  2. Step 2: Convert to fraction form
    39,022.67/58,542.20 = 12,745.86/x
  3. Step 3: Cross multiply
    39,022.67x = 58,542.20 × 12,745.86
  4. Step 4: Simplify right side
    39,022.67x = 746,170,621.56
  5. Step 5: Solve for x
    x = 746,170,621.56/39,022.67
  6. Step 6: Final answer
    x = 19,121.47

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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.