Home / 19,958.01-27,540.79-11,005.58

Finding the Fourth Proportional to 19,958.01, 27,540.79 and 11,005.58

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Solution

The fourth proportional to 19,958.01, 27,540.79 and 11,005.58 is: 15,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.01 : 27,540.79 = 11,005.58 : x
  2. Step 2: Convert to fraction form
    19,958.01/27,540.79 = 11,005.58/x
  3. Step 3: Cross multiply
    19,958.01x = 27,540.79 × 11,005.58
  4. Step 4: Simplify right side
    19,958.01x = 303,102,408.95
  5. Step 5: Solve for x
    x = 303,102,408.95/19,958.01
  6. Step 6: Final answer
    x = 15,187.01

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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.