Home / 20,003.66-27,605.60-11,942.00

Finding the Fourth Proportional to 20,003.66, 27,605.60 and 11,942.00

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Solution

The fourth proportional to 20,003.66, 27,605.60 and 11,942.00 is: 16,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.66 : 27,605.60 = 11,942.00 : x
  2. Step 2: Convert to fraction form
    20,003.66/27,605.60 = 11,942.00/x
  3. Step 3: Cross multiply
    20,003.66x = 27,605.60 × 11,942.00
  4. Step 4: Simplify right side
    20,003.66x = 329,666,059.35
  5. Step 5: Solve for x
    x = 329,666,059.35/20,003.66
  6. Step 6: Final answer
    x = 16,480.29

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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.