Home / 14,115.27-19,481.04-8,146.83

Finding the Fourth Proportional to 14,115.27, 19,481.04 and 8,146.83

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Solution

The fourth proportional to 14,115.27, 19,481.04 and 8,146.83 is: 11,243.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.27 : 19,481.04 = 8,146.83 : x
  2. Step 2: Convert to fraction form
    14,115.27/19,481.04 = 8,146.83/x
  3. Step 3: Cross multiply
    14,115.27x = 19,481.04 × 8,146.83
  4. Step 4: Simplify right side
    14,115.27x = 158,708,721.10
  5. Step 5: Solve for x
    x = 158,708,721.10/14,115.27
  6. Step 6: Final answer
    x = 11,243.76

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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.