Home / 18,975.88-28,467.20-6,492.97

Finding the Fourth Proportional to 18,975.88, 28,467.20 and 6,492.97

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Solution

The fourth proportional to 18,975.88, 28,467.20 and 6,492.97 is: 9,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.88 : 28,467.20 = 6,492.97 : x
  2. Step 2: Convert to fraction form
    18,975.88/28,467.20 = 6,492.97/x
  3. Step 3: Cross multiply
    18,975.88x = 28,467.20 × 6,492.97
  4. Step 4: Simplify right side
    18,975.88x = 184,836,675.58
  5. Step 5: Solve for x
    x = 184,836,675.58/18,975.88
  6. Step 6: Final answer
    x = 9,740.61

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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.