Home / 16,072.97-22,180.37-8,999.51

Finding the Fourth Proportional to 16,072.97, 22,180.37 and 8,999.51

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Solution

The fourth proportional to 16,072.97, 22,180.37 and 8,999.51 is: 12,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,072.97 : 22,180.37 = 8,999.51 : x
  2. Step 2: Convert to fraction form
    16,072.97/22,180.37 = 8,999.51/x
  3. Step 3: Cross multiply
    16,072.97x = 22,180.37 × 8,999.51
  4. Step 4: Simplify right side
    16,072.97x = 199,612,305.72
  5. Step 5: Solve for x
    x = 199,612,305.72/16,072.97
  6. Step 6: Final answer
    x = 12,419.13

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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.