Home / 12,449.22-18,667.35-3,682.95

Finding the Fourth Proportional to 12,449.22, 18,667.35 and 3,682.95

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Solution

The fourth proportional to 12,449.22, 18,667.35 and 3,682.95 is: 5,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.22 : 18,667.35 = 3,682.95 : x
  2. Step 2: Convert to fraction form
    12,449.22/18,667.35 = 3,682.95/x
  3. Step 3: Cross multiply
    12,449.22x = 18,667.35 × 3,682.95
  4. Step 4: Simplify right side
    12,449.22x = 68,750,916.68
  5. Step 5: Solve for x
    x = 68,750,916.68/12,449.22
  6. Step 6: Final answer
    x = 5,522.51

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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.