Home / 13,273.92-19,899.72-8,877.96

Finding the Fourth Proportional to 13,273.92, 19,899.72 and 8,877.96

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Solution

The fourth proportional to 13,273.92, 19,899.72 and 8,877.96 is: 13,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.92 : 19,899.72 = 8,877.96 : x
  2. Step 2: Convert to fraction form
    13,273.92/19,899.72 = 8,877.96/x
  3. Step 3: Cross multiply
    13,273.92x = 19,899.72 × 8,877.96
  4. Step 4: Simplify right side
    13,273.92x = 176,668,918.17
  5. Step 5: Solve for x
    x = 176,668,918.17/13,273.92
  6. Step 6: Final answer
    x = 13,309.48

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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.