Home / 21,556.62-32,334.94-6,766.70

Finding the Fourth Proportional to 21,556.62, 32,334.94 and 6,766.70

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Solution

The fourth proportional to 21,556.62, 32,334.94 and 6,766.70 is: 10,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.62 : 32,334.94 = 6,766.70 : x
  2. Step 2: Convert to fraction form
    21,556.62/32,334.94 = 6,766.70/x
  3. Step 3: Cross multiply
    21,556.62x = 32,334.94 × 6,766.70
  4. Step 4: Simplify right side
    21,556.62x = 218,800,838.50
  5. Step 5: Solve for x
    x = 218,800,838.50/21,556.62
  6. Step 6: Final answer
    x = 10,150.05

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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.