Home / 14,778.98-22,163.71-4,915.61

Finding the Fourth Proportional to 14,778.98, 22,163.71 and 4,915.61

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Solution

The fourth proportional to 14,778.98, 22,163.71 and 4,915.61 is: 7,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.98 : 22,163.71 = 4,915.61 : x
  2. Step 2: Convert to fraction form
    14,778.98/22,163.71 = 4,915.61/x
  3. Step 3: Cross multiply
    14,778.98x = 22,163.71 × 4,915.61
  4. Step 4: Simplify right side
    14,778.98x = 108,948,154.51
  5. Step 5: Solve for x
    x = 108,948,154.51/14,778.98
  6. Step 6: Final answer
    x = 7,371.83

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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.