Home / 20,546.75-30,808.24-8,052.15

Finding the Fourth Proportional to 20,546.75, 30,808.24 and 8,052.15

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Solution

The fourth proportional to 20,546.75, 30,808.24 and 8,052.15 is: 12,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.75 : 30,808.24 = 8,052.15 : x
  2. Step 2: Convert to fraction form
    20,546.75/30,808.24 = 8,052.15/x
  3. Step 3: Cross multiply
    20,546.75x = 30,808.24 × 8,052.15
  4. Step 4: Simplify right side
    20,546.75x = 248,072,569.72
  5. Step 5: Solve for x
    x = 248,072,569.72/20,546.75
  6. Step 6: Final answer
    x = 12,073.57

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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.