Home / 25,619.88-38,431.00-7,849.27

Finding the Fourth Proportional to 25,619.88, 38,431.00 and 7,849.27

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Solution

The fourth proportional to 25,619.88, 38,431.00 and 7,849.27 is: 11,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.88 : 38,431.00 = 7,849.27 : x
  2. Step 2: Convert to fraction form
    25,619.88/38,431.00 = 7,849.27/x
  3. Step 3: Cross multiply
    25,619.88x = 38,431.00 × 7,849.27
  4. Step 4: Simplify right side
    25,619.88x = 301,655,083.59
  5. Step 5: Solve for x
    x = 301,655,083.59/25,619.88
  6. Step 6: Final answer
    x = 11,774.26

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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.