Home / 22,933.92-31,809.60-22,000.80

Finding the Fourth Proportional to 22,933.92, 31,809.60 and 22,000.80

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Solution

The fourth proportional to 22,933.92, 31,809.60 and 22,000.80 is: 30,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,933.92 : 31,809.60 = 22,000.80 : x
  2. Step 2: Convert to fraction form
    22,933.92/31,809.60 = 22,000.80/x
  3. Step 3: Cross multiply
    22,933.92x = 31,809.60 × 22,000.80
  4. Step 4: Simplify right side
    22,933.92x = 699,836,647.68
  5. Step 5: Solve for x
    x = 699,836,647.68/22,933.92
  6. Step 6: Final answer
    x = 30,515.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.