Home / 18,091.81-27,134.11-4,941.06

Finding the Fourth Proportional to 18,091.81, 27,134.11 and 4,941.06

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Solution

The fourth proportional to 18,091.81, 27,134.11 and 4,941.06 is: 7,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.81 : 27,134.11 = 4,941.06 : x
  2. Step 2: Convert to fraction form
    18,091.81/27,134.11 = 4,941.06/x
  3. Step 3: Cross multiply
    18,091.81x = 27,134.11 × 4,941.06
  4. Step 4: Simplify right side
    18,091.81x = 134,071,265.56
  5. Step 5: Solve for x
    x = 134,071,265.56/18,091.81
  6. Step 6: Final answer
    x = 7,410.61

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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.