Home / 16,800.80-23,183.76-9,727.52

Finding the Fourth Proportional to 16,800.80, 23,183.76 and 9,727.52

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Solution

The fourth proportional to 16,800.80, 23,183.76 and 9,727.52 is: 13,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,800.80 : 23,183.76 = 9,727.52 : x
  2. Step 2: Convert to fraction form
    16,800.80/23,183.76 = 9,727.52/x
  3. Step 3: Cross multiply
    16,800.80x = 23,183.76 × 9,727.52
  4. Step 4: Simplify right side
    16,800.80x = 225,520,489.08
  5. Step 5: Solve for x
    x = 225,520,489.08/16,800.80
  6. Step 6: Final answer
    x = 13,423.20

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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.