Home / 12,435.29-18,650.50-3,667.85

Finding the Fourth Proportional to 12,435.29, 18,650.50 and 3,667.85

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Solution

The fourth proportional to 12,435.29, 18,650.50 and 3,667.85 is: 5,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.29 : 18,650.50 = 3,667.85 : x
  2. Step 2: Convert to fraction form
    12,435.29/18,650.50 = 3,667.85/x
  3. Step 3: Cross multiply
    12,435.29x = 18,650.50 × 3,667.85
  4. Step 4: Simplify right side
    12,435.29x = 68,407,224.57
  5. Step 5: Solve for x
    x = 68,407,224.57/12,435.29
  6. Step 6: Final answer
    x = 5,501.06

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