Home / 13,383.36-20,079.90-4,619.16

Finding the Fourth Proportional to 13,383.36, 20,079.90 and 4,619.16

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Solution

The fourth proportional to 13,383.36, 20,079.90 and 4,619.16 is: 6,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.36 : 20,079.90 = 4,619.16 : x
  2. Step 2: Convert to fraction form
    13,383.36/20,079.90 = 4,619.16/x
  3. Step 3: Cross multiply
    13,383.36x = 20,079.90 × 4,619.16
  4. Step 4: Simplify right side
    13,383.36x = 92,752,270.88
  5. Step 5: Solve for x
    x = 92,752,270.88/13,383.36
  6. Step 6: Final answer
    x = 6,930.42

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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.