Home / 18,796.83-28,193.26-9,908.60

Finding the Fourth Proportional to 18,796.83, 28,193.26 and 9,908.60

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Solution

The fourth proportional to 18,796.83, 28,193.26 and 9,908.60 is: 14,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.83 : 28,193.26 = 9,908.60 : x
  2. Step 2: Convert to fraction form
    18,796.83/28,193.26 = 9,908.60/x
  3. Step 3: Cross multiply
    18,796.83x = 28,193.26 × 9,908.60
  4. Step 4: Simplify right side
    18,796.83x = 279,355,736.04
  5. Step 5: Solve for x
    x = 279,355,736.04/18,796.83
  6. Step 6: Final answer
    x = 14,861.85

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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.