Home / 20,796.94-31,200.30-6,756.92

Finding the Fourth Proportional to 20,796.94, 31,200.30 and 6,756.92

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Solution

The fourth proportional to 20,796.94, 31,200.30 and 6,756.92 is: 10,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.94 : 31,200.30 = 6,756.92 : x
  2. Step 2: Convert to fraction form
    20,796.94/31,200.30 = 6,756.92/x
  3. Step 3: Cross multiply
    20,796.94x = 31,200.30 × 6,756.92
  4. Step 4: Simplify right side
    20,796.94x = 210,817,931.08
  5. Step 5: Solve for x
    x = 210,817,931.08/20,796.94
  6. Step 6: Final answer
    x = 10,136.97

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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.