Home / 16,612.48-22,903.68-13,769.44

Finding the Fourth Proportional to 16,612.48, 22,903.68 and 13,769.44

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Solution

The fourth proportional to 16,612.48, 22,903.68 and 13,769.44 is: 18,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.48 : 22,903.68 = 13,769.44 : x
  2. Step 2: Convert to fraction form
    16,612.48/22,903.68 = 13,769.44/x
  3. Step 3: Cross multiply
    16,612.48x = 22,903.68 × 13,769.44
  4. Step 4: Simplify right side
    16,612.48x = 315,370,847.54
  5. Step 5: Solve for x
    x = 315,370,847.54/16,612.48
  6. Step 6: Final answer
    x = 18,983.97

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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.