Home / 13,850.16-20,775.23-3,461.91

Finding the Fourth Proportional to 13,850.16, 20,775.23 and 3,461.91

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Solution

The fourth proportional to 13,850.16, 20,775.23 and 3,461.91 is: 5,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.16 : 20,775.23 = 3,461.91 : x
  2. Step 2: Convert to fraction form
    13,850.16/20,775.23 = 3,461.91/x
  3. Step 3: Cross multiply
    13,850.16x = 20,775.23 × 3,461.91
  4. Step 4: Simplify right side
    13,850.16x = 71,921,913.73
  5. Step 5: Solve for x
    x = 71,921,913.73/13,850.16
  6. Step 6: Final answer
    x = 5,192.86

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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.