Home / 18,626.77-25,704.43-10,243.27

Finding the Fourth Proportional to 18,626.77, 25,704.43 and 10,243.27

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Solution

The fourth proportional to 18,626.77, 25,704.43 and 10,243.27 is: 14,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.77 : 25,704.43 = 10,243.27 : x
  2. Step 2: Convert to fraction form
    18,626.77/25,704.43 = 10,243.27/x
  3. Step 3: Cross multiply
    18,626.77x = 25,704.43 × 10,243.27
  4. Step 4: Simplify right side
    18,626.77x = 263,297,416.69
  5. Step 5: Solve for x
    x = 263,297,416.69/18,626.77
  6. Step 6: Final answer
    x = 14,135.43

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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.