Home / 18,060.66-27,028.92-11,394.09

Finding the Fourth Proportional to 18,060.66, 27,028.92 and 11,394.09

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Solution

The fourth proportional to 18,060.66, 27,028.92 and 11,394.09 is: 17,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.66 : 27,028.92 = 11,394.09 : x
  2. Step 2: Convert to fraction form
    18,060.66/27,028.92 = 11,394.09/x
  3. Step 3: Cross multiply
    18,060.66x = 27,028.92 × 11,394.09
  4. Step 4: Simplify right side
    18,060.66x = 307,969,989.81
  5. Step 5: Solve for x
    x = 307,969,989.81/18,060.66
  6. Step 6: Final answer
    x = 17,051.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.