Home / 14,671.25-20,245.96-8,383.22

Finding the Fourth Proportional to 14,671.25, 20,245.96 and 8,383.22

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Solution

The fourth proportional to 14,671.25, 20,245.96 and 8,383.22 is: 11,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.25 : 20,245.96 = 8,383.22 : x
  2. Step 2: Convert to fraction form
    14,671.25/20,245.96 = 8,383.22/x
  3. Step 3: Cross multiply
    14,671.25x = 20,245.96 × 8,383.22
  4. Step 4: Simplify right side
    14,671.25x = 169,726,336.79
  5. Step 5: Solve for x
    x = 169,726,336.79/14,671.25
  6. Step 6: Final answer
    x = 11,568.64

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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.