Home / 18,731.94-28,095.96-6,250.62

Finding the Fourth Proportional to 18,731.94, 28,095.96 and 6,250.62

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Solution

The fourth proportional to 18,731.94, 28,095.96 and 6,250.62 is: 9,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.94 : 28,095.96 = 6,250.62 : x
  2. Step 2: Convert to fraction form
    18,731.94/28,095.96 = 6,250.62/x
  3. Step 3: Cross multiply
    18,731.94x = 28,095.96 × 6,250.62
  4. Step 4: Simplify right side
    18,731.94x = 175,617,169.50
  5. Step 5: Solve for x
    x = 175,617,169.50/18,731.94
  6. Step 6: Final answer
    x = 9,375.28

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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.