Home / 19,247.75-28,872.72-5,397.83

Finding the Fourth Proportional to 19,247.75, 28,872.72 and 5,397.83

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Solution

The fourth proportional to 19,247.75, 28,872.72 and 5,397.83 is: 8,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.75 : 28,872.72 = 5,397.83 : x
  2. Step 2: Convert to fraction form
    19,247.75/28,872.72 = 5,397.83/x
  3. Step 3: Cross multiply
    19,247.75x = 28,872.72 × 5,397.83
  4. Step 4: Simplify right side
    19,247.75x = 155,850,034.20
  5. Step 5: Solve for x
    x = 155,850,034.20/19,247.75
  6. Step 6: Final answer
    x = 8,097.05

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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.