Home / 16,161.12-22,302.20-9,087.58

Finding the Fourth Proportional to 16,161.12, 22,302.20 and 9,087.58

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Solution

The fourth proportional to 16,161.12, 22,302.20 and 9,087.58 is: 12,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161.12 : 22,302.20 = 9,087.58 : x
  2. Step 2: Convert to fraction form
    16,161.12/22,302.20 = 9,087.58/x
  3. Step 3: Cross multiply
    16,161.12x = 22,302.20 × 9,087.58
  4. Step 4: Simplify right side
    16,161.12x = 202,673,026.68
  5. Step 5: Solve for x
    x = 202,673,026.68/16,161.12
  6. Step 6: Final answer
    x = 12,540.78

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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.