Home / 13,475.20-20,204.33-4,112.11

Finding the Fourth Proportional to 13,475.20, 20,204.33 and 4,112.11

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Solution

The fourth proportional to 13,475.20, 20,204.33 and 4,112.11 is: 6,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.20 : 20,204.33 = 4,112.11 : x
  2. Step 2: Convert to fraction form
    13,475.20/20,204.33 = 4,112.11/x
  3. Step 3: Cross multiply
    13,475.20x = 20,204.33 × 4,112.11
  4. Step 4: Simplify right side
    13,475.20x = 83,082,427.44
  5. Step 5: Solve for x
    x = 83,082,427.44/13,475.20
  6. Step 6: Final answer
    x = 6,165.58

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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.