Home / 18,180.96-27,304.32-16,717.44

Finding the Fourth Proportional to 18,180.96, 27,304.32 and 16,717.44

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Solution

The fourth proportional to 18,180.96, 27,304.32 and 16,717.44 is: 25,106.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.96 : 27,304.32 = 16,717.44 : x
  2. Step 2: Convert to fraction form
    18,180.96/27,304.32 = 16,717.44/x
  3. Step 3: Cross multiply
    18,180.96x = 27,304.32 × 16,717.44
  4. Step 4: Simplify right side
    18,180.96x = 456,458,331.34
  5. Step 5: Solve for x
    x = 456,458,331.34/18,180.96
  6. Step 6: Final answer
    x = 25,106.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.