Home / 18,124.20-27,184.98-4,975.44

Finding the Fourth Proportional to 18,124.20, 27,184.98 and 4,975.44

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Solution

The fourth proportional to 18,124.20, 27,184.98 and 4,975.44 is: 7,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.20 : 27,184.98 = 4,975.44 : x
  2. Step 2: Convert to fraction form
    18,124.20/27,184.98 = 4,975.44/x
  3. Step 3: Cross multiply
    18,124.20x = 27,184.98 × 4,975.44
  4. Step 4: Simplify right side
    18,124.20x = 135,257,236.89
  5. Step 5: Solve for x
    x = 135,257,236.89/18,124.20
  6. Step 6: Final answer
    x = 7,462.80

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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.