Home / 17,139.14-25,698.33-11,208.87

Finding the Fourth Proportional to 17,139.14, 25,698.33 and 11,208.87

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Solution

The fourth proportional to 17,139.14, 25,698.33 and 11,208.87 is: 16,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.14 : 25,698.33 = 11,208.87 : x
  2. Step 2: Convert to fraction form
    17,139.14/25,698.33 = 11,208.87/x
  3. Step 3: Cross multiply
    17,139.14x = 25,698.33 × 11,208.87
  4. Step 4: Simplify right side
    17,139.14x = 288,049,184.14
  5. Step 5: Solve for x
    x = 288,049,184.14/17,139.14
  6. Step 6: Final answer
    x = 16,806.51

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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.