Home / 18,395.21-25,390.74-12,022.73

Finding the Fourth Proportional to 18,395.21, 25,390.74 and 12,022.73

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Solution

The fourth proportional to 18,395.21, 25,390.74 and 12,022.73 is: 16,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.21 : 25,390.74 = 12,022.73 : x
  2. Step 2: Convert to fraction form
    18,395.21/25,390.74 = 12,022.73/x
  3. Step 3: Cross multiply
    18,395.21x = 25,390.74 × 12,022.73
  4. Step 4: Simplify right side
    18,395.21x = 305,265,884.57
  5. Step 5: Solve for x
    x = 305,265,884.57/18,395.21
  6. Step 6: Final answer
    x = 16,594.86

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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.