Home / 23,991.39-36,003.15-8,409.02

Finding the Fourth Proportional to 23,991.39, 36,003.15 and 8,409.02

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Solution

The fourth proportional to 23,991.39, 36,003.15 and 8,409.02 is: 12,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.39 : 36,003.15 = 8,409.02 : x
  2. Step 2: Convert to fraction form
    23,991.39/36,003.15 = 8,409.02/x
  3. Step 3: Cross multiply
    23,991.39x = 36,003.15 × 8,409.02
  4. Step 4: Simplify right side
    23,991.39x = 302,751,028.40
  5. Step 5: Solve for x
    x = 302,751,028.40/23,991.39
  6. Step 6: Final answer
    x = 12,619.15

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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.