Home / 18,202.49-25,120.24-10,245.23

Finding the Fourth Proportional to 18,202.49, 25,120.24 and 10,245.23

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Solution

The fourth proportional to 18,202.49, 25,120.24 and 10,245.23 is: 14,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.49 : 25,120.24 = 10,245.23 : x
  2. Step 2: Convert to fraction form
    18,202.49/25,120.24 = 10,245.23/x
  3. Step 3: Cross multiply
    18,202.49x = 25,120.24 × 10,245.23
  4. Step 4: Simplify right side
    18,202.49x = 257,362,485.24
  5. Step 5: Solve for x
    x = 257,362,485.24/18,202.49
  6. Step 6: Final answer
    x = 14,138.87

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Half scale
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Double scale
Find fourth proportional to 18,203.49, 25,121.62 and 10,246.23
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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.