Home / 17,904.41-26,857.15-8,545.43

Finding the Fourth Proportional to 17,904.41, 26,857.15 and 8,545.43

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Solution

The fourth proportional to 17,904.41, 26,857.15 and 8,545.43 is: 12,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.41 : 26,857.15 = 8,545.43 : x
  2. Step 2: Convert to fraction form
    17,904.41/26,857.15 = 8,545.43/x
  3. Step 3: Cross multiply
    17,904.41x = 26,857.15 × 8,545.43
  4. Step 4: Simplify right side
    17,904.41x = 229,505,739.68
  5. Step 5: Solve for x
    x = 229,505,739.68/17,904.41
  6. Step 6: Final answer
    x = 12,818.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.