Home / 20,433.75-30,658.01-10,052.79

Finding the Fourth Proportional to 20,433.75, 30,658.01 and 10,052.79

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Solution

The fourth proportional to 20,433.75, 30,658.01 and 10,052.79 is: 15,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.75 : 30,658.01 = 10,052.79 : x
  2. Step 2: Convert to fraction form
    20,433.75/30,658.01 = 10,052.79/x
  3. Step 3: Cross multiply
    20,433.75x = 30,658.01 × 10,052.79
  4. Step 4: Simplify right side
    20,433.75x = 308,198,486.08
  5. Step 5: Solve for x
    x = 308,198,486.08/20,433.75
  6. Step 6: Final answer
    x = 15,082.82

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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.