Home / 20,003.36-27,603.38-11,050.43

Finding the Fourth Proportional to 20,003.36, 27,603.38 and 11,050.43

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Solution

The fourth proportional to 20,003.36, 27,603.38 and 11,050.43 is: 15,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.36 : 27,603.38 = 11,050.43 : x
  2. Step 2: Convert to fraction form
    20,003.36/27,603.38 = 11,050.43/x
  3. Step 3: Cross multiply
    20,003.36x = 27,603.38 × 11,050.43
  4. Step 4: Simplify right side
    20,003.36x = 305,029,025.18
  5. Step 5: Solve for x
    x = 305,029,025.18/20,003.36
  6. Step 6: Final answer
    x = 15,248.89

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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.