Home / 13,101.94-19,640.10-5,201.83

Finding the Fourth Proportional to 13,101.94, 19,640.10 and 5,201.83

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Solution

The fourth proportional to 13,101.94, 19,640.10 and 5,201.83 is: 7,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.94 : 19,640.10 = 5,201.83 : x
  2. Step 2: Convert to fraction form
    13,101.94/19,640.10 = 5,201.83/x
  3. Step 3: Cross multiply
    13,101.94x = 19,640.10 × 5,201.83
  4. Step 4: Simplify right side
    13,101.94x = 102,164,461.38
  5. Step 5: Solve for x
    x = 102,164,461.38/13,101.94
  6. Step 6: Final answer
    x = 7,797.66

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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.