Home / 18,361.70-25,336.97-10,806.36

Finding the Fourth Proportional to 18,361.70, 25,336.97 and 10,806.36

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Solution

The fourth proportional to 18,361.70, 25,336.97 and 10,806.36 is: 14,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.70 : 25,336.97 = 10,806.36 : x
  2. Step 2: Convert to fraction form
    18,361.70/25,336.97 = 10,806.36/x
  3. Step 3: Cross multiply
    18,361.70x = 25,336.97 × 10,806.36
  4. Step 4: Simplify right side
    18,361.70x = 273,800,310.61
  5. Step 5: Solve for x
    x = 273,800,310.61/18,361.70
  6. Step 6: Final answer
    x = 14,911.49

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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.