Home / 20,001.33-27,603.45-11,049.62

Finding the Fourth Proportional to 20,001.33, 27,603.45 and 11,049.62

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Solution

The fourth proportional to 20,001.33, 27,603.45 and 11,049.62 is: 15,249.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.33 : 27,603.45 = 11,049.62 : x
  2. Step 2: Convert to fraction form
    20,001.33/27,603.45 = 11,049.62/x
  3. Step 3: Cross multiply
    20,001.33x = 27,603.45 × 11,049.62
  4. Step 4: Simplify right side
    20,001.33x = 305,007,495.17
  5. Step 5: Solve for x
    x = 305,007,495.17/20,001.33
  6. Step 6: Final answer
    x = 15,249.36

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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.