Home / 13,964.70-20,949.64-4,605.37

Finding the Fourth Proportional to 13,964.70, 20,949.64 and 4,605.37

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Solution

The fourth proportional to 13,964.70, 20,949.64 and 4,605.37 is: 6,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.70 : 20,949.64 = 4,605.37 : x
  2. Step 2: Convert to fraction form
    13,964.70/20,949.64 = 4,605.37/x
  3. Step 3: Cross multiply
    13,964.70x = 20,949.64 × 4,605.37
  4. Step 4: Simplify right side
    13,964.70x = 96,480,843.57
  5. Step 5: Solve for x
    x = 96,480,843.57/13,964.70
  6. Step 6: Final answer
    x = 6,908.91

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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.