Home / 18,730.85-28,097.36-7,044.17

Finding the Fourth Proportional to 18,730.85, 28,097.36 and 7,044.17

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Solution

The fourth proportional to 18,730.85, 28,097.36 and 7,044.17 is: 10,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.85 : 28,097.36 = 7,044.17 : x
  2. Step 2: Convert to fraction form
    18,730.85/28,097.36 = 7,044.17/x
  3. Step 3: Cross multiply
    18,730.85x = 28,097.36 × 7,044.17
  4. Step 4: Simplify right side
    18,730.85x = 197,922,589.15
  5. Step 5: Solve for x
    x = 197,922,589.15/18,730.85
  6. Step 6: Final answer
    x = 10,566.66

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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.