Home / 14,568.21-20,103.67-8,195.08

Finding the Fourth Proportional to 14,568.21, 20,103.67 and 8,195.08

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Solution

The fourth proportional to 14,568.21, 20,103.67 and 8,195.08 is: 11,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.21 : 20,103.67 = 8,195.08 : x
  2. Step 2: Convert to fraction form
    14,568.21/20,103.67 = 8,195.08/x
  3. Step 3: Cross multiply
    14,568.21x = 20,103.67 × 8,195.08
  4. Step 4: Simplify right side
    14,568.21x = 164,751,183.94
  5. Step 5: Solve for x
    x = 164,751,183.94/14,568.21
  6. Step 6: Final answer
    x = 11,308.95

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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.