Home / 25,486.24-38,212.80-8,845

Finding the Fourth Proportional to 25,486.24, 38,212.80 and 8,845

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Solution

The fourth proportional to 25,486.24, 38,212.80 and 8,845 is: 13,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.24 : 38,212.80 = 8,845 : x
  2. Step 2: Convert to fraction form
    25,486.24/38,212.80 = 8,845/x
  3. Step 3: Cross multiply
    25,486.24x = 38,212.80 × 8,845
  4. Step 4: Simplify right side
    25,486.24x = 337,992,216
  5. Step 5: Solve for x
    x = 337,992,216/25,486.24
  6. Step 6: Final answer
    x = 13,261.75

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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.