Home / 14,135.10-21,201.97-5,369.33

Finding the Fourth Proportional to 14,135.10, 21,201.97 and 5,369.33

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Solution

The fourth proportional to 14,135.10, 21,201.97 and 5,369.33 is: 8,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.10 : 21,201.97 = 5,369.33 : x
  2. Step 2: Convert to fraction form
    14,135.10/21,201.97 = 5,369.33/x
  3. Step 3: Cross multiply
    14,135.10x = 21,201.97 × 5,369.33
  4. Step 4: Simplify right side
    14,135.10x = 113,840,373.58
  5. Step 5: Solve for x
    x = 113,840,373.58/14,135.10
  6. Step 6: Final answer
    x = 8,053.74

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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.