Home / 19,194.20-28,794.38-8,102.53

Finding the Fourth Proportional to 19,194.20, 28,794.38 and 8,102.53

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Solution

The fourth proportional to 19,194.20, 28,794.38 and 8,102.53 is: 12,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.20 : 28,794.38 = 8,102.53 : x
  2. Step 2: Convert to fraction form
    19,194.20/28,794.38 = 8,102.53/x
  3. Step 3: Cross multiply
    19,194.20x = 28,794.38 × 8,102.53
  4. Step 4: Simplify right side
    19,194.20x = 233,307,327.78
  5. Step 5: Solve for x
    x = 233,307,327.78/19,194.20
  6. Step 6: Final answer
    x = 12,155.10

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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.