Home / 18,090.93-27,137.11-4,943.22

Finding the Fourth Proportional to 18,090.93, 27,137.11 and 4,943.22

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Solution

The fourth proportional to 18,090.93, 27,137.11 and 4,943.22 is: 7,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.93 : 27,137.11 = 4,943.22 : x
  2. Step 2: Convert to fraction form
    18,090.93/27,137.11 = 4,943.22/x
  3. Step 3: Cross multiply
    18,090.93x = 27,137.11 × 4,943.22
  4. Step 4: Simplify right side
    18,090.93x = 134,144,704.89
  5. Step 5: Solve for x
    x = 134,144,704.89/18,090.93
  6. Step 6: Final answer
    x = 7,415.03

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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.