Home / 13,182.52-19,759.92-4,857.22

Finding the Fourth Proportional to 13,182.52, 19,759.92 and 4,857.22

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Solution

The fourth proportional to 13,182.52, 19,759.92 and 4,857.22 is: 7,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.52 : 19,759.92 = 4,857.22 : x
  2. Step 2: Convert to fraction form
    13,182.52/19,759.92 = 4,857.22/x
  3. Step 3: Cross multiply
    13,182.52x = 19,759.92 × 4,857.22
  4. Step 4: Simplify right side
    13,182.52x = 95,978,214.94
  5. Step 5: Solve for x
    x = 95,978,214.94/13,182.52
  6. Step 6: Final answer
    x = 7,280.72

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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.