Home / 20,635.06-30,953.20-5,052.68

Finding the Fourth Proportional to 20,635.06, 30,953.20 and 5,052.68

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Solution

The fourth proportional to 20,635.06, 30,953.20 and 5,052.68 is: 7,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,635.06 : 30,953.20 = 5,052.68 : x
  2. Step 2: Convert to fraction form
    20,635.06/30,953.20 = 5,052.68/x
  3. Step 3: Cross multiply
    20,635.06x = 30,953.20 × 5,052.68
  4. Step 4: Simplify right side
    20,635.06x = 156,396,614.58
  5. Step 5: Solve for x
    x = 156,396,614.58/20,635.06
  6. Step 6: Final answer
    x = 7,579.17

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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.