Home / 26,719.80-40,083.33-11,133.78

Finding the Fourth Proportional to 26,719.80, 40,083.33 and 11,133.78

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Solution

The fourth proportional to 26,719.80, 40,083.33 and 11,133.78 is: 16,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.80 : 40,083.33 = 11,133.78 : x
  2. Step 2: Convert to fraction form
    26,719.80/40,083.33 = 11,133.78/x
  3. Step 3: Cross multiply
    26,719.80x = 40,083.33 × 11,133.78
  4. Step 4: Simplify right side
    26,719.80x = 446,278,977.89
  5. Step 5: Solve for x
    x = 446,278,977.89/26,719.80
  6. Step 6: Final answer
    x = 16,702.18

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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.