Home / 12,401.44-18,601.20-3,167.20

Finding the Fourth Proportional to 12,401.44, 18,601.20 and 3,167.20

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Solution

The fourth proportional to 12,401.44, 18,601.20 and 3,167.20 is: 4,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.44 : 18,601.20 = 3,167.20 : x
  2. Step 2: Convert to fraction form
    12,401.44/18,601.20 = 3,167.20/x
  3. Step 3: Cross multiply
    12,401.44x = 18,601.20 × 3,167.20
  4. Step 4: Simplify right side
    12,401.44x = 58,913,720.64
  5. Step 5: Solve for x
    x = 58,913,720.64/12,401.44
  6. Step 6: Final answer
    x = 4,750.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.