Home / 22,023.87-30,350.98-21,619

Finding the Fourth Proportional to 22,023.87, 30,350.98 and 21,619

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Solution

The fourth proportional to 22,023.87, 30,350.98 and 21,619 is: 29,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,023.87 : 30,350.98 = 21,619 : x
  2. Step 2: Convert to fraction form
    22,023.87/30,350.98 = 21,619/x
  3. Step 3: Cross multiply
    22,023.87x = 30,350.98 × 21,619
  4. Step 4: Simplify right side
    22,023.87x = 656,157,836.62
  5. Step 5: Solve for x
    x = 656,157,836.62/22,023.87
  6. Step 6: Final answer
    x = 29,793.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.