Home / 18,583.21-27,874.56-4,543.36

Finding the Fourth Proportional to 18,583.21, 27,874.56 and 4,543.36

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Solution

The fourth proportional to 18,583.21, 27,874.56 and 4,543.36 is: 6,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.21 : 27,874.56 = 4,543.36 : x
  2. Step 2: Convert to fraction form
    18,583.21/27,874.56 = 4,543.36/x
  3. Step 3: Cross multiply
    18,583.21x = 27,874.56 × 4,543.36
  4. Step 4: Simplify right side
    18,583.21x = 126,644,108.27
  5. Step 5: Solve for x
    x = 126,644,108.27/18,583.21
  6. Step 6: Final answer
    x = 6,814.97

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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.