Home / 18,204.44-25,121.52-10,247.09

Finding the Fourth Proportional to 18,204.44, 25,121.52 and 10,247.09

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Solution

The fourth proportional to 18,204.44, 25,121.52 and 10,247.09 is: 14,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.44 : 25,121.52 = 10,247.09 : x
  2. Step 2: Convert to fraction form
    18,204.44/25,121.52 = 10,247.09/x
  3. Step 3: Cross multiply
    18,204.44x = 25,121.52 × 10,247.09
  4. Step 4: Simplify right side
    18,204.44x = 257,422,350.77
  5. Step 5: Solve for x
    x = 257,422,350.77/18,204.44
  6. Step 6: Final answer
    x = 14,140.64

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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.