Home / 22,766.80-34,150.20-20,155.60

Finding the Fourth Proportional to 22,766.80, 34,150.20 and 20,155.60

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Solution

The fourth proportional to 22,766.80, 34,150.20 and 20,155.60 is: 30,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,766.80 : 34,150.20 = 20,155.60 : x
  2. Step 2: Convert to fraction form
    22,766.80/34,150.20 = 20,155.60/x
  3. Step 3: Cross multiply
    22,766.80x = 34,150.20 × 20,155.60
  4. Step 4: Simplify right side
    22,766.80x = 688,317,771.12
  5. Step 5: Solve for x
    x = 688,317,771.12/22,766.80
  6. Step 6: Final answer
    x = 30,233.40

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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.