Home / 25,153.88-34,712.36-13,975.88

Finding the Fourth Proportional to 25,153.88, 34,712.36 and 13,975.88

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Solution

The fourth proportional to 25,153.88, 34,712.36 and 13,975.88 is: 19,286.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.88 : 34,712.36 = 13,975.88 : x
  2. Step 2: Convert to fraction form
    25,153.88/34,712.36 = 13,975.88/x
  3. Step 3: Cross multiply
    25,153.88x = 34,712.36 × 13,975.88
  4. Step 4: Simplify right side
    25,153.88x = 485,135,534.44
  5. Step 5: Solve for x
    x = 485,135,534.44/25,153.88
  6. Step 6: Final answer
    x = 19,286.71

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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.