Home / 22,015.40-32,950.20-20,265.80

Finding the Fourth Proportional to 22,015.40, 32,950.20 and 20,265.80

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Solution

The fourth proportional to 22,015.40, 32,950.20 and 20,265.80 is: 30,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.40 : 32,950.20 = 20,265.80 : x
  2. Step 2: Convert to fraction form
    22,015.40/32,950.20 = 20,265.80/x
  3. Step 3: Cross multiply
    22,015.40x = 32,950.20 × 20,265.80
  4. Step 4: Simplify right side
    22,015.40x = 667,762,163.16
  5. Step 5: Solve for x
    x = 667,762,163.16/22,015.40
  6. Step 6: Final answer
    x = 30,331.59

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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.