Home / 20,552.78-30,817.28-8,058.26

Finding the Fourth Proportional to 20,552.78, 30,817.28 and 8,058.26

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Solution

The fourth proportional to 20,552.78, 30,817.28 and 8,058.26 is: 12,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.78 : 30,817.28 = 8,058.26 : x
  2. Step 2: Convert to fraction form
    20,552.78/30,817.28 = 8,058.26/x
  3. Step 3: Cross multiply
    20,552.78x = 30,817.28 × 8,058.26
  4. Step 4: Simplify right side
    20,552.78x = 248,333,654.73
  5. Step 5: Solve for x
    x = 248,333,654.73/20,552.78
  6. Step 6: Final answer
    x = 12,082.73

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1.5x scale

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.