Home / 25,759.48-38,644.26-8,230.36

Finding the Fourth Proportional to 25,759.48, 38,644.26 and 8,230.36

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Solution

The fourth proportional to 25,759.48, 38,644.26 and 8,230.36 is: 12,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.48 : 38,644.26 = 8,230.36 : x
  2. Step 2: Convert to fraction form
    25,759.48/38,644.26 = 8,230.36/x
  3. Step 3: Cross multiply
    25,759.48x = 38,644.26 × 8,230.36
  4. Step 4: Simplify right side
    25,759.48x = 318,056,171.73
  5. Step 5: Solve for x
    x = 318,056,171.73/25,759.48
  6. Step 6: Final answer
    x = 12,347.15

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1.5x scale

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.