Home / 20,068.73-27,687.72-11,996.77

Finding the Fourth Proportional to 20,068.73, 27,687.72 and 11,996.77

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Solution

The fourth proportional to 20,068.73, 27,687.72 and 11,996.77 is: 16,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.73 : 27,687.72 = 11,996.77 : x
  2. Step 2: Convert to fraction form
    20,068.73/27,687.72 = 11,996.77/x
  3. Step 3: Cross multiply
    20,068.73x = 27,687.72 × 11,996.77
  4. Step 4: Simplify right side
    20,068.73x = 332,163,208.66
  5. Step 5: Solve for x
    x = 332,163,208.66/20,068.73
  6. Step 6: Final answer
    x = 16,551.28

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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.