Home / 13,943.36-20,917.61-4,583.90

Finding the Fourth Proportional to 13,943.36, 20,917.61 and 4,583.90

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Solution

The fourth proportional to 13,943.36, 20,917.61 and 4,583.90 is: 6,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.36 : 20,917.61 = 4,583.90 : x
  2. Step 2: Convert to fraction form
    13,943.36/20,917.61 = 4,583.90/x
  3. Step 3: Cross multiply
    13,943.36x = 20,917.61 × 4,583.90
  4. Step 4: Simplify right side
    13,943.36x = 95,884,104.97
  5. Step 5: Solve for x
    x = 95,884,104.97/13,943.36
  6. Step 6: Final answer
    x = 6,876.69

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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.