Home / 17,100.11-25,647.60-5,411.81

Finding the Fourth Proportional to 17,100.11, 25,647.60 and 5,411.81

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Solution

The fourth proportional to 17,100.11, 25,647.60 and 5,411.81 is: 8,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.11 : 25,647.60 = 5,411.81 : x
  2. Step 2: Convert to fraction form
    17,100.11/25,647.60 = 5,411.81/x
  3. Step 3: Cross multiply
    17,100.11x = 25,647.60 × 5,411.81
  4. Step 4: Simplify right side
    17,100.11x = 138,800,022.57
  5. Step 5: Solve for x
    x = 138,800,022.57/17,100.11
  6. Step 6: Final answer
    x = 8,116.91

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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.