Home / 19,179.21-28,756.66-8,093.55

Finding the Fourth Proportional to 19,179.21, 28,756.66 and 8,093.55

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Solution

The fourth proportional to 19,179.21, 28,756.66 and 8,093.55 is: 12,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.21 : 28,756.66 = 8,093.55 : x
  2. Step 2: Convert to fraction form
    19,179.21/28,756.66 = 8,093.55/x
  3. Step 3: Cross multiply
    19,179.21x = 28,756.66 × 8,093.55
  4. Step 4: Simplify right side
    19,179.21x = 232,743,465.54
  5. Step 5: Solve for x
    x = 232,743,465.54/19,179.21
  6. Step 6: Final answer
    x = 12,135.20

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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.