Home / 13,809.24-20,703.42-4,922.73

Finding the Fourth Proportional to 13,809.24, 20,703.42 and 4,922.73

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Solution

The fourth proportional to 13,809.24, 20,703.42 and 4,922.73 is: 7,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.24 : 20,703.42 = 4,922.73 : x
  2. Step 2: Convert to fraction form
    13,809.24/20,703.42 = 4,922.73/x
  3. Step 3: Cross multiply
    13,809.24x = 20,703.42 × 4,922.73
  4. Step 4: Simplify right side
    13,809.24x = 101,917,346.74
  5. Step 5: Solve for x
    x = 101,917,346.74/13,809.24
  6. Step 6: Final answer
    x = 7,380.37

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1.5x scale

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.