Home / 22,217.40-33,330.90-6,636.60

Finding the Fourth Proportional to 22,217.40, 33,330.90 and 6,636.60

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Solution

The fourth proportional to 22,217.40, 33,330.90 and 6,636.60 is: 9,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217.40 : 33,330.90 = 6,636.60 : x
  2. Step 2: Convert to fraction form
    22,217.40/33,330.90 = 6,636.60/x
  3. Step 3: Cross multiply
    22,217.40x = 33,330.90 × 6,636.60
  4. Step 4: Simplify right side
    22,217.40x = 221,203,850.94
  5. Step 5: Solve for x
    x = 221,203,850.94/22,217.40
  6. Step 6: Final answer
    x = 9,956.33

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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.