Home / 20,003.07-27,604.44-13,962.09

Finding the Fourth Proportional to 20,003.07, 27,604.44 and 13,962.09

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Solution

The fourth proportional to 20,003.07, 27,604.44 and 13,962.09 is: 19,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.07 : 27,604.44 = 13,962.09 : x
  2. Step 2: Convert to fraction form
    20,003.07/27,604.44 = 13,962.09/x
  3. Step 3: Cross multiply
    20,003.07x = 27,604.44 × 13,962.09
  4. Step 4: Simplify right side
    20,003.07x = 385,415,675.68
  5. Step 5: Solve for x
    x = 385,415,675.68/20,003.07
  6. Step 6: Final answer
    x = 19,267.83

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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.