Home / 13,170.33-18,181.67-10,179.41

Finding the Fourth Proportional to 13,170.33, 18,181.67 and 10,179.41

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Solution

The fourth proportional to 13,170.33, 18,181.67 and 10,179.41 is: 14,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.33 : 18,181.67 = 10,179.41 : x
  2. Step 2: Convert to fraction form
    13,170.33/18,181.67 = 10,179.41/x
  3. Step 3: Cross multiply
    13,170.33x = 18,181.67 × 10,179.41
  4. Step 4: Simplify right side
    13,170.33x = 185,078,531.61
  5. Step 5: Solve for x
    x = 185,078,531.61/13,170.33
  6. Step 6: Final answer
    x = 14,052.69

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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.