Home / 13,664.97-20,490.44-6,263

Finding the Fourth Proportional to 13,664.97, 20,490.44 and 6,263

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Solution

The fourth proportional to 13,664.97, 20,490.44 and 6,263 is: 9,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.97 : 20,490.44 = 6,263 : x
  2. Step 2: Convert to fraction form
    13,664.97/20,490.44 = 6,263/x
  3. Step 3: Cross multiply
    13,664.97x = 20,490.44 × 6,263
  4. Step 4: Simplify right side
    13,664.97x = 128,331,625.72
  5. Step 5: Solve for x
    x = 128,331,625.72/13,664.97
  6. Step 6: Final answer
    x = 9,391.28

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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.