Home / 14,767.96-20,383.66-8,398.27

Finding the Fourth Proportional to 14,767.96, 20,383.66 and 8,398.27

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Solution

The fourth proportional to 14,767.96, 20,383.66 and 8,398.27 is: 11,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.96 : 20,383.66 = 8,398.27 : x
  2. Step 2: Convert to fraction form
    14,767.96/20,383.66 = 8,398.27/x
  3. Step 3: Cross multiply
    14,767.96x = 20,383.66 × 8,398.27
  4. Step 4: Simplify right side
    14,767.96x = 171,187,378.35
  5. Step 5: Solve for x
    x = 171,187,378.35/14,767.96
  6. Step 6: Final answer
    x = 11,591.81

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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.