Home / 12,982.29-19,475.31-4,094.60

Finding the Fourth Proportional to 12,982.29, 19,475.31 and 4,094.60

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Solution

The fourth proportional to 12,982.29, 19,475.31 and 4,094.60 is: 6,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.29 : 19,475.31 = 4,094.60 : x
  2. Step 2: Convert to fraction form
    12,982.29/19,475.31 = 4,094.60/x
  3. Step 3: Cross multiply
    12,982.29x = 19,475.31 × 4,094.60
  4. Step 4: Simplify right side
    12,982.29x = 79,743,583.85
  5. Step 5: Solve for x
    x = 79,743,583.85/12,982.29
  6. Step 6: Final answer
    x = 6,142.49

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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.