Home / 20,635.14-30,953.31-5,052.75

Finding the Fourth Proportional to 20,635.14, 30,953.31 and 5,052.75

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Solution

The fourth proportional to 20,635.14, 30,953.31 and 5,052.75 is: 7,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,635.14 : 30,953.31 = 5,052.75 : x
  2. Step 2: Convert to fraction form
    20,635.14/30,953.31 = 5,052.75/x
  3. Step 3: Cross multiply
    20,635.14x = 30,953.31 × 5,052.75
  4. Step 4: Simplify right side
    20,635.14x = 156,399,337.10
  5. Step 5: Solve for x
    x = 156,399,337.10/20,635.14
  6. Step 6: Final answer
    x = 7,579.27

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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.