Home / 25,304.25-34,919.66-13,974.51

Finding the Fourth Proportional to 25,304.25, 34,919.66 and 13,974.51

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Solution

The fourth proportional to 25,304.25, 34,919.66 and 13,974.51 is: 19,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,304.25 : 34,919.66 = 13,974.51 : x
  2. Step 2: Convert to fraction form
    25,304.25/34,919.66 = 13,974.51/x
  3. Step 3: Cross multiply
    25,304.25x = 34,919.66 × 13,974.51
  4. Step 4: Simplify right side
    25,304.25x = 487,985,028.72
  5. Step 5: Solve for x
    x = 487,985,028.72/25,304.25
  6. Step 6: Final answer
    x = 19,284.71

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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.