Home / 18,704.76-28,061.46-5,556.84

Finding the Fourth Proportional to 18,704.76, 28,061.46 and 5,556.84

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Solution

The fourth proportional to 18,704.76, 28,061.46 and 5,556.84 is: 8,336.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.76 : 28,061.46 = 5,556.84 : x
  2. Step 2: Convert to fraction form
    18,704.76/28,061.46 = 5,556.84/x
  3. Step 3: Cross multiply
    18,704.76x = 28,061.46 × 5,556.84
  4. Step 4: Simplify right side
    18,704.76x = 155,933,043.39
  5. Step 5: Solve for x
    x = 155,933,043.39/18,704.76
  6. Step 6: Final answer
    x = 8,336.54

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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.