Home / 25,575.79-38,361.26-8,932.75

Finding the Fourth Proportional to 25,575.79, 38,361.26 and 8,932.75

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Solution

The fourth proportional to 25,575.79, 38,361.26 and 8,932.75 is: 13,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.79 : 38,361.26 = 8,932.75 : x
  2. Step 2: Convert to fraction form
    25,575.79/38,361.26 = 8,932.75/x
  3. Step 3: Cross multiply
    25,575.79x = 38,361.26 × 8,932.75
  4. Step 4: Simplify right side
    25,575.79x = 342,671,500.60
  5. Step 5: Solve for x
    x = 342,671,500.60/25,575.79
  6. Step 6: Final answer
    x = 13,398.28

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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.