Home / 13,068.68-19,604.46-4,181.90

Finding the Fourth Proportional to 13,068.68, 19,604.46 and 4,181.90

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Solution

The fourth proportional to 13,068.68, 19,604.46 and 4,181.90 is: 6,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.68 : 19,604.46 = 4,181.90 : x
  2. Step 2: Convert to fraction form
    13,068.68/19,604.46 = 4,181.90/x
  3. Step 3: Cross multiply
    13,068.68x = 19,604.46 × 4,181.90
  4. Step 4: Simplify right side
    13,068.68x = 81,983,891.27
  5. Step 5: Solve for x
    x = 81,983,891.27/13,068.68
  6. Step 6: Final answer
    x = 6,273.31

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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.