Home / 25,058.43-34,579.31-13,725.72

Finding the Fourth Proportional to 25,058.43, 34,579.31 and 13,725.72

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Solution

The fourth proportional to 25,058.43, 34,579.31 and 13,725.72 is: 18,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,058.43 : 34,579.31 = 13,725.72 : x
  2. Step 2: Convert to fraction form
    25,058.43/34,579.31 = 13,725.72/x
  3. Step 3: Cross multiply
    25,058.43x = 34,579.31 × 13,725.72
  4. Step 4: Simplify right side
    25,058.43x = 474,625,858.22
  5. Step 5: Solve for x
    x = 474,625,858.22/25,058.43
  6. Step 6: Final answer
    x = 18,940.77

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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.