Home / 18,354.21-27,540.14-10,033.89

Finding the Fourth Proportional to 18,354.21, 27,540.14 and 10,033.89

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Solution

The fourth proportional to 18,354.21, 27,540.14 and 10,033.89 is: 15,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.21 : 27,540.14 = 10,033.89 : x
  2. Step 2: Convert to fraction form
    18,354.21/27,540.14 = 10,033.89/x
  3. Step 3: Cross multiply
    18,354.21x = 27,540.14 × 10,033.89
  4. Step 4: Simplify right side
    18,354.21x = 276,334,685.18
  5. Step 5: Solve for x
    x = 276,334,685.18/18,354.21
  6. Step 6: Final answer
    x = 15,055.66

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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.