Home / 25,620.13-38,431.37-7,849.52

Finding the Fourth Proportional to 25,620.13, 38,431.37 and 7,849.52

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Solution

The fourth proportional to 25,620.13, 38,431.37 and 7,849.52 is: 11,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.13 : 38,431.37 = 7,849.52 : x
  2. Step 2: Convert to fraction form
    25,620.13/38,431.37 = 7,849.52/x
  3. Step 3: Cross multiply
    25,620.13x = 38,431.37 × 7,849.52
  4. Step 4: Simplify right side
    25,620.13x = 301,667,634.91
  5. Step 5: Solve for x
    x = 301,667,634.91/25,620.13
  6. Step 6: Final answer
    x = 11,774.63

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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.