Home / 14,616.62-20,166.09-8,242.41

Finding the Fourth Proportional to 14,616.62, 20,166.09 and 8,242.41

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Solution

The fourth proportional to 14,616.62, 20,166.09 and 8,242.41 is: 11,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.62 : 20,166.09 = 8,242.41 : x
  2. Step 2: Convert to fraction form
    14,616.62/20,166.09 = 8,242.41/x
  3. Step 3: Cross multiply
    14,616.62x = 20,166.09 × 8,242.41
  4. Step 4: Simplify right side
    14,616.62x = 166,217,181.88
  5. Step 5: Solve for x
    x = 166,217,181.88/14,616.62
  6. Step 6: Final answer
    x = 11,371.79

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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.