Home / 25,154.82-34,713.97-13,825.55

Finding the Fourth Proportional to 25,154.82, 34,713.97 and 13,825.55

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Solution

The fourth proportional to 25,154.82, 34,713.97 and 13,825.55 is: 19,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,154.82 : 34,713.97 = 13,825.55 : x
  2. Step 2: Convert to fraction form
    25,154.82/34,713.97 = 13,825.55/x
  3. Step 3: Cross multiply
    25,154.82x = 34,713.97 × 13,825.55
  4. Step 4: Simplify right side
    25,154.82x = 479,939,780.15
  5. Step 5: Solve for x
    x = 479,939,780.15/25,154.82
  6. Step 6: Final answer
    x = 19,079.44

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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.