Home / 13,822.76-20,734.07-5,500.55

Finding the Fourth Proportional to 13,822.76, 20,734.07 and 5,500.55

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Solution

The fourth proportional to 13,822.76, 20,734.07 and 5,500.55 is: 8,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.76 : 20,734.07 = 5,500.55 : x
  2. Step 2: Convert to fraction form
    13,822.76/20,734.07 = 5,500.55/x
  3. Step 3: Cross multiply
    13,822.76x = 20,734.07 × 5,500.55
  4. Step 4: Simplify right side
    13,822.76x = 114,048,657.57
  5. Step 5: Solve for x
    x = 114,048,657.57/13,822.76
  6. Step 6: Final answer
    x = 8,250.79

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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.