Home / 13,763.06-18,991.36-7,793.24

Finding the Fourth Proportional to 13,763.06, 18,991.36 and 7,793.24

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Solution

The fourth proportional to 13,763.06, 18,991.36 and 7,793.24 is: 10,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.06 : 18,991.36 = 7,793.24 : x
  2. Step 2: Convert to fraction form
    13,763.06/18,991.36 = 7,793.24/x
  3. Step 3: Cross multiply
    13,763.06x = 18,991.36 × 7,793.24
  4. Step 4: Simplify right side
    13,763.06x = 148,004,194.60
  5. Step 5: Solve for x
    x = 148,004,194.60/13,763.06
  6. Step 6: Final answer
    x = 10,753.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.