Home / 18,204.44-25,120.74-10,245.16

Finding the Fourth Proportional to 18,204.44, 25,120.74 and 10,245.16

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Solution

The fourth proportional to 18,204.44, 25,120.74 and 10,245.16 is: 14,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.44 : 25,120.74 = 10,245.16 : x
  2. Step 2: Convert to fraction form
    18,204.44/25,120.74 = 10,245.16/x
  3. Step 3: Cross multiply
    18,204.44x = 25,120.74 × 10,245.16
  4. Step 4: Simplify right side
    18,204.44x = 257,366,000.62
  5. Step 5: Solve for x
    x = 257,366,000.62/18,204.44
  6. Step 6: Final answer
    x = 14,137.54

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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.