Home / 14,366.20-19,824.42-8,078.44

Finding the Fourth Proportional to 14,366.20, 19,824.42 and 8,078.44

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Solution

The fourth proportional to 14,366.20, 19,824.42 and 8,078.44 is: 11,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.20 : 19,824.42 = 8,078.44 : x
  2. Step 2: Convert to fraction form
    14,366.20/19,824.42 = 8,078.44/x
  3. Step 3: Cross multiply
    14,366.20x = 19,824.42 × 8,078.44
  4. Step 4: Simplify right side
    14,366.20x = 160,150,387.50
  5. Step 5: Solve for x
    x = 160,150,387.50/14,366.20
  6. Step 6: Final answer
    x = 11,147.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.