Home / 25,163.80-37,745.79-7,633.78

Finding the Fourth Proportional to 25,163.80, 37,745.79 and 7,633.78

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Solution

The fourth proportional to 25,163.80, 37,745.79 and 7,633.78 is: 11,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,163.80 : 37,745.79 = 7,633.78 : x
  2. Step 2: Convert to fraction form
    25,163.80/37,745.79 = 7,633.78/x
  3. Step 3: Cross multiply
    25,163.80x = 37,745.79 × 7,633.78
  4. Step 4: Simplify right side
    25,163.80x = 288,143,056.79
  5. Step 5: Solve for x
    x = 288,143,056.79/25,163.80
  6. Step 6: Final answer
    x = 11,450.70

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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.