Home / 18,202.87-25,120.46-10,245.37

Finding the Fourth Proportional to 18,202.87, 25,120.46 and 10,245.37

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Solution

The fourth proportional to 18,202.87, 25,120.46 and 10,245.37 is: 14,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.87 : 25,120.46 = 10,245.37 : x
  2. Step 2: Convert to fraction form
    18,202.87/25,120.46 = 10,245.37/x
  3. Step 3: Cross multiply
    18,202.87x = 25,120.46 × 10,245.37
  4. Step 4: Simplify right side
    18,202.87x = 257,368,230.44
  5. Step 5: Solve for x
    x = 257,368,230.44/18,202.87
  6. Step 6: Final answer
    x = 14,138.89

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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.