Home / 18,366.72-25,331.20-16,004.80

Finding the Fourth Proportional to 18,366.72, 25,331.20 and 16,004.80

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Solution

The fourth proportional to 18,366.72, 25,331.20 and 16,004.80 is: 22,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.72 : 25,331.20 = 16,004.80 : x
  2. Step 2: Convert to fraction form
    18,366.72/25,331.20 = 16,004.80/x
  3. Step 3: Cross multiply
    18,366.72x = 25,331.20 × 16,004.80
  4. Step 4: Simplify right side
    18,366.72x = 405,420,789.76
  5. Step 5: Solve for x
    x = 405,420,789.76/18,366.72
  6. Step 6: Final answer
    x = 22,073.66

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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.