Home / 20,515.52-30,773.27-4,933.14

Finding the Fourth Proportional to 20,515.52, 30,773.27 and 4,933.14

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Solution

The fourth proportional to 20,515.52, 30,773.27 and 4,933.14 is: 7,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,515.52 : 30,773.27 = 4,933.14 : x
  2. Step 2: Convert to fraction form
    20,515.52/30,773.27 = 4,933.14/x
  3. Step 3: Cross multiply
    20,515.52x = 30,773.27 × 4,933.14
  4. Step 4: Simplify right side
    20,515.52x = 151,808,849.17
  5. Step 5: Solve for x
    x = 151,808,849.17/20,515.52
  6. Step 6: Final answer
    x = 7,399.71

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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.