Home / 14,769.27-20,381.09-8,797.84

Finding the Fourth Proportional to 14,769.27, 20,381.09 and 8,797.84

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Solution

The fourth proportional to 14,769.27, 20,381.09 and 8,797.84 is: 12,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.27 : 20,381.09 = 8,797.84 : x
  2. Step 2: Convert to fraction form
    14,769.27/20,381.09 = 8,797.84/x
  3. Step 3: Cross multiply
    14,769.27x = 20,381.09 × 8,797.84
  4. Step 4: Simplify right side
    14,769.27x = 179,309,473.90
  5. Step 5: Solve for x
    x = 179,309,473.90/14,769.27
  6. Step 6: Final answer
    x = 12,140.71

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1.5x scale

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.