Home / 15,163.88-22,702.62-13,677.80

Finding the Fourth Proportional to 15,163.88, 22,702.62 and 13,677.80

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Solution

The fourth proportional to 15,163.88, 22,702.62 and 13,677.80 is: 20,477.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.88 : 22,702.62 = 13,677.80 : x
  2. Step 2: Convert to fraction form
    15,163.88/22,702.62 = 13,677.80/x
  3. Step 3: Cross multiply
    15,163.88x = 22,702.62 × 13,677.80
  4. Step 4: Simplify right side
    15,163.88x = 310,521,895.84
  5. Step 5: Solve for x
    x = 310,521,895.84/15,163.88
  6. Step 6: Final answer
    x = 20,477.73

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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.