Home / 13,336.83-18,404.49-8,793.96

Finding the Fourth Proportional to 13,336.83, 18,404.49 and 8,793.96

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Solution

The fourth proportional to 13,336.83, 18,404.49 and 8,793.96 is: 12,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.83 : 18,404.49 = 8,793.96 : x
  2. Step 2: Convert to fraction form
    13,336.83/18,404.49 = 8,793.96/x
  3. Step 3: Cross multiply
    13,336.83x = 18,404.49 × 8,793.96
  4. Step 4: Simplify right side
    13,336.83x = 161,848,348.88
  5. Step 5: Solve for x
    x = 161,848,348.88/13,336.83
  6. Step 6: Final answer
    x = 12,135.44

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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.