Home / 26,801.80-40,205.90-12,941

Finding the Fourth Proportional to 26,801.80, 40,205.90 and 12,941

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Solution

The fourth proportional to 26,801.80, 40,205.90 and 12,941 is: 19,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,801.80 : 40,205.90 = 12,941 : x
  2. Step 2: Convert to fraction form
    26,801.80/40,205.90 = 12,941/x
  3. Step 3: Cross multiply
    26,801.80x = 40,205.90 × 12,941
  4. Step 4: Simplify right side
    26,801.80x = 520,304,551.90
  5. Step 5: Solve for x
    x = 520,304,551.90/26,801.80
  6. Step 6: Final answer
    x = 19,413.05

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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.