Home / 12,466.36-18,699.72-3,581.68

Finding the Fourth Proportional to 12,466.36, 18,699.72 and 3,581.68

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Solution

The fourth proportional to 12,466.36, 18,699.72 and 3,581.68 is: 5,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.36 : 18,699.72 = 3,581.68 : x
  2. Step 2: Convert to fraction form
    12,466.36/18,699.72 = 3,581.68/x
  3. Step 3: Cross multiply
    12,466.36x = 18,699.72 × 3,581.68
  4. Step 4: Simplify right side
    12,466.36x = 66,976,413.13
  5. Step 5: Solve for x
    x = 66,976,413.13/12,466.36
  6. Step 6: Final answer
    x = 5,372.57

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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.