Home / 16,161.19-22,305.18-9,354.22

Finding the Fourth Proportional to 16,161.19, 22,305.18 and 9,354.22

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Solution

The fourth proportional to 16,161.19, 22,305.18 and 9,354.22 is: 12,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161.19 : 22,305.18 = 9,354.22 : x
  2. Step 2: Convert to fraction form
    16,161.19/22,305.18 = 9,354.22/x
  3. Step 3: Cross multiply
    16,161.19x = 22,305.18 × 9,354.22
  4. Step 4: Simplify right side
    16,161.19x = 208,647,613.02
  5. Step 5: Solve for x
    x = 208,647,613.02/16,161.19
  6. Step 6: Final answer
    x = 12,910.41

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Double scale
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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.