Home / 20,001.13-27,603.89-11,936.77

Finding the Fourth Proportional to 20,001.13, 27,603.89 and 11,936.77

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Solution

The fourth proportional to 20,001.13, 27,603.89 and 11,936.77 is: 16,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.13 : 27,603.89 = 11,936.77 : x
  2. Step 2: Convert to fraction form
    20,001.13/27,603.89 = 11,936.77/x
  3. Step 3: Cross multiply
    20,001.13x = 27,603.89 × 11,936.77
  4. Step 4: Simplify right side
    20,001.13x = 329,501,202.10
  5. Step 5: Solve for x
    x = 329,501,202.10/20,001.13
  6. Step 6: Final answer
    x = 16,474.13

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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.