Home / 20,796.70-31,192.13-6,756.92

Finding the Fourth Proportional to 20,796.70, 31,192.13 and 6,756.92

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Solution

The fourth proportional to 20,796.70, 31,192.13 and 6,756.92 is: 10,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.70 : 31,192.13 = 6,756.92 : x
  2. Step 2: Convert to fraction form
    20,796.70/31,192.13 = 6,756.92/x
  3. Step 3: Cross multiply
    20,796.70x = 31,192.13 × 6,756.92
  4. Step 4: Simplify right side
    20,796.70x = 210,762,657.43
  5. Step 5: Solve for x
    x = 210,762,657.43/20,796.70
  6. Step 6: Final answer
    x = 10,134.43

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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.