Home / 25,175.66-34,742.97-13,845.78

Finding the Fourth Proportional to 25,175.66, 34,742.97 and 13,845.78

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Solution

The fourth proportional to 25,175.66, 34,742.97 and 13,845.78 is: 19,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.66 : 34,742.97 = 13,845.78 : x
  2. Step 2: Convert to fraction form
    25,175.66/34,742.97 = 13,845.78/x
  3. Step 3: Cross multiply
    25,175.66x = 34,742.97 × 13,845.78
  4. Step 4: Simplify right side
    25,175.66x = 481,043,519.17
  5. Step 5: Solve for x
    x = 481,043,519.17/25,175.66
  6. Step 6: Final answer
    x = 19,107.49

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1.5x scale

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.