Home / 12,433.67-18,651.03-3,668.59

Finding the Fourth Proportional to 12,433.67, 18,651.03 and 3,668.59

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Solution

The fourth proportional to 12,433.67, 18,651.03 and 3,668.59 is: 5,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.67 : 18,651.03 = 3,668.59 : x
  2. Step 2: Convert to fraction form
    12,433.67/18,651.03 = 3,668.59/x
  3. Step 3: Cross multiply
    12,433.67x = 18,651.03 × 3,668.59
  4. Step 4: Simplify right side
    12,433.67x = 68,422,991.70
  5. Step 5: Solve for x
    x = 68,422,991.70/12,433.67
  6. Step 6: Final answer
    x = 5,503.04

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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.