Home / 20,635.24-30,952.55-5,052.86

Finding the Fourth Proportional to 20,635.24, 30,952.55 and 5,052.86

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Solution

The fourth proportional to 20,635.24, 30,952.55 and 5,052.86 is: 7,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,635.24 : 30,952.55 = 5,052.86 : x
  2. Step 2: Convert to fraction form
    20,635.24/30,952.55 = 5,052.86/x
  3. Step 3: Cross multiply
    20,635.24x = 30,952.55 × 5,052.86
  4. Step 4: Simplify right side
    20,635.24x = 156,398,901.79
  5. Step 5: Solve for x
    x = 156,398,901.79/20,635.24
  6. Step 6: Final answer
    x = 7,579.21

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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.