Home / 26,657.26-40,011.81-12,815.98

Finding the Fourth Proportional to 26,657.26, 40,011.81 and 12,815.98

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Solution

The fourth proportional to 26,657.26, 40,011.81 and 12,815.98 is: 19,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.26 : 40,011.81 = 12,815.98 : x
  2. Step 2: Convert to fraction form
    26,657.26/40,011.81 = 12,815.98/x
  3. Step 3: Cross multiply
    26,657.26x = 40,011.81 × 12,815.98
  4. Step 4: Simplify right side
    26,657.26x = 512,790,556.72
  5. Step 5: Solve for x
    x = 512,790,556.72/26,657.26
  6. Step 6: Final answer
    x = 19,236.43

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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.