Home / 17,315.31-25,977.29-6,926.79

Finding the Fourth Proportional to 17,315.31, 25,977.29 and 6,926.79

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Solution

The fourth proportional to 17,315.31, 25,977.29 and 6,926.79 is: 10,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315.31 : 25,977.29 = 6,926.79 : x
  2. Step 2: Convert to fraction form
    17,315.31/25,977.29 = 6,926.79/x
  3. Step 3: Cross multiply
    17,315.31x = 25,977.29 × 6,926.79
  4. Step 4: Simplify right side
    17,315.31x = 179,939,197.97
  5. Step 5: Solve for x
    x = 179,939,197.97/17,315.31
  6. Step 6: Final answer
    x = 10,391.91

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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.