Home / 16,169.22-22,314.69-11,691.54

Finding the Fourth Proportional to 16,169.22, 22,314.69 and 11,691.54

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Solution

The fourth proportional to 16,169.22, 22,314.69 and 11,691.54 is: 16,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,169.22 : 22,314.69 = 11,691.54 : x
  2. Step 2: Convert to fraction form
    16,169.22/22,314.69 = 11,691.54/x
  3. Step 3: Cross multiply
    16,169.22x = 22,314.69 × 11,691.54
  4. Step 4: Simplify right side
    16,169.22x = 260,893,090.72
  5. Step 5: Solve for x
    x = 260,893,090.72/16,169.22
  6. Step 6: Final answer
    x = 16,135.17

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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.