Home / 12,433.56-18,653.08-3,669.16

Finding the Fourth Proportional to 12,433.56, 18,653.08 and 3,669.16

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Solution

The fourth proportional to 12,433.56, 18,653.08 and 3,669.16 is: 5,504.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.56 : 18,653.08 = 3,669.16 : x
  2. Step 2: Convert to fraction form
    12,433.56/18,653.08 = 3,669.16/x
  3. Step 3: Cross multiply
    12,433.56x = 18,653.08 × 3,669.16
  4. Step 4: Simplify right side
    12,433.56x = 68,441,135.01
  5. Step 5: Solve for x
    x = 68,441,135.01/12,433.56
  6. Step 6: Final answer
    x = 5,504.55

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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.