Home / 20,267.72-27,962.06-11,766.82

Finding the Fourth Proportional to 20,267.72, 27,962.06 and 11,766.82

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Solution

The fourth proportional to 20,267.72, 27,962.06 and 11,766.82 is: 16,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.72 : 27,962.06 = 11,766.82 : x
  2. Step 2: Convert to fraction form
    20,267.72/27,962.06 = 11,766.82/x
  3. Step 3: Cross multiply
    20,267.72x = 27,962.06 × 11,766.82
  4. Step 4: Simplify right side
    20,267.72x = 329,024,516.73
  5. Step 5: Solve for x
    x = 329,024,516.73/20,267.72
  6. Step 6: Final answer
    x = 16,233.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.