Home / 20,744.80-31,107.84-5,950.36

Finding the Fourth Proportional to 20,744.80, 31,107.84 and 5,950.36

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Solution

The fourth proportional to 20,744.80, 31,107.84 and 5,950.36 is: 8,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.80 : 31,107.84 = 5,950.36 : x
  2. Step 2: Convert to fraction form
    20,744.80/31,107.84 = 5,950.36/x
  3. Step 3: Cross multiply
    20,744.80x = 31,107.84 × 5,950.36
  4. Step 4: Simplify right side
    20,744.80x = 185,102,846.82
  5. Step 5: Solve for x
    x = 185,102,846.82/20,744.80
  6. Step 6: Final answer
    x = 8,922.86

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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.