Home / 19,273.15-28,914.87-8,180.47

Finding the Fourth Proportional to 19,273.15, 28,914.87 and 8,180.47

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Solution

The fourth proportional to 19,273.15, 28,914.87 and 8,180.47 is: 12,272.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.15 : 28,914.87 = 8,180.47 : x
  2. Step 2: Convert to fraction form
    19,273.15/28,914.87 = 8,180.47/x
  3. Step 3: Cross multiply
    19,273.15x = 28,914.87 × 8,180.47
  4. Step 4: Simplify right side
    19,273.15x = 236,537,226.59
  5. Step 5: Solve for x
    x = 236,537,226.59/19,273.15
  6. Step 6: Final answer
    x = 12,272.89

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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.