Home / 18,984.35-28,479.24-5,837.82

Finding the Fourth Proportional to 18,984.35, 28,479.24 and 5,837.82

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Solution

The fourth proportional to 18,984.35, 28,479.24 and 5,837.82 is: 8,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.35 : 28,479.24 = 5,837.82 : x
  2. Step 2: Convert to fraction form
    18,984.35/28,479.24 = 5,837.82/x
  3. Step 3: Cross multiply
    18,984.35x = 28,479.24 × 5,837.82
  4. Step 4: Simplify right side
    18,984.35x = 166,256,676.86
  5. Step 5: Solve for x
    x = 166,256,676.86/18,984.35
  6. Step 6: Final answer
    x = 8,757.57

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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.