Home / 19,193.66-28,794.42-8,100.38

Finding the Fourth Proportional to 19,193.66, 28,794.42 and 8,100.38

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Solution

The fourth proportional to 19,193.66, 28,794.42 and 8,100.38 is: 12,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.66 : 28,794.42 = 8,100.38 : x
  2. Step 2: Convert to fraction form
    19,193.66/28,794.42 = 8,100.38/x
  3. Step 3: Cross multiply
    19,193.66x = 28,794.42 × 8,100.38
  4. Step 4: Simplify right side
    19,193.66x = 233,245,743.88
  5. Step 5: Solve for x
    x = 233,245,743.88/19,193.66
  6. Step 6: Final answer
    x = 12,152.23

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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.