Home / 18,793.43-28,165.74-14,076.39

Finding the Fourth Proportional to 18,793.43, 28,165.74 and 14,076.39

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Solution

The fourth proportional to 18,793.43, 28,165.74 and 14,076.39 is: 21,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.43 : 28,165.74 = 14,076.39 : x
  2. Step 2: Convert to fraction form
    18,793.43/28,165.74 = 14,076.39/x
  3. Step 3: Cross multiply
    18,793.43x = 28,165.74 × 14,076.39
  4. Step 4: Simplify right side
    18,793.43x = 396,471,940.88
  5. Step 5: Solve for x
    x = 396,471,940.88/18,793.43
  6. Step 6: Final answer
    x = 21,096.31

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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.