Home / 25,356.20-38,040.53-8,716.46

Finding the Fourth Proportional to 25,356.20, 38,040.53 and 8,716.46

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Solution

The fourth proportional to 25,356.20, 38,040.53 and 8,716.46 is: 13,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.20 : 38,040.53 = 8,716.46 : x
  2. Step 2: Convert to fraction form
    25,356.20/38,040.53 = 8,716.46/x
  3. Step 3: Cross multiply
    25,356.20x = 38,040.53 × 8,716.46
  4. Step 4: Simplify right side
    25,356.20x = 331,578,524.34
  5. Step 5: Solve for x
    x = 331,578,524.34/25,356.20
  6. Step 6: Final answer
    x = 13,076.82

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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.