Home / 25,310.78-34,928.88-14,132.78

Finding the Fourth Proportional to 25,310.78, 34,928.88 and 14,132.78

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Solution

The fourth proportional to 25,310.78, 34,928.88 and 14,132.78 is: 19,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310.78 : 34,928.88 = 14,132.78 : x
  2. Step 2: Convert to fraction form
    25,310.78/34,928.88 = 14,132.78/x
  3. Step 3: Cross multiply
    25,310.78x = 34,928.88 × 14,132.78
  4. Step 4: Simplify right side
    25,310.78x = 493,642,202.68
  5. Step 5: Solve for x
    x = 493,642,202.68/25,310.78
  6. Step 6: Final answer
    x = 19,503.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.