Home / 16,550.32-22,872.20-13,561.44

Finding the Fourth Proportional to 16,550.32, 22,872.20 and 13,561.44

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Solution

The fourth proportional to 16,550.32, 22,872.20 and 13,561.44 is: 18,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,550.32 : 22,872.20 = 13,561.44 : x
  2. Step 2: Convert to fraction form
    16,550.32/22,872.20 = 13,561.44/x
  3. Step 3: Cross multiply
    16,550.32x = 22,872.20 × 13,561.44
  4. Step 4: Simplify right side
    16,550.32x = 310,179,967.97
  5. Step 5: Solve for x
    x = 310,179,967.97/16,550.32
  6. Step 6: Final answer
    x = 18,741.63

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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.