Home / 20,014.56-29,982.84-13,068

Finding the Fourth Proportional to 20,014.56, 29,982.84 and 13,068

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Solution

The fourth proportional to 20,014.56, 29,982.84 and 13,068 is: 19,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.56 : 29,982.84 = 13,068 : x
  2. Step 2: Convert to fraction form
    20,014.56/29,982.84 = 13,068/x
  3. Step 3: Cross multiply
    20,014.56x = 29,982.84 × 13,068
  4. Step 4: Simplify right side
    20,014.56x = 391,815,753.12
  5. Step 5: Solve for x
    x = 391,815,753.12/20,014.56
  6. Step 6: Final answer
    x = 19,576.54

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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.