Home / 25,156.47-34,713.66-13,825.85

Finding the Fourth Proportional to 25,156.47, 34,713.66 and 13,825.85

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Solution

The fourth proportional to 25,156.47, 34,713.66 and 13,825.85 is: 19,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156.47 : 34,713.66 = 13,825.85 : x
  2. Step 2: Convert to fraction form
    25,156.47/34,713.66 = 13,825.85/x
  3. Step 3: Cross multiply
    25,156.47x = 34,713.66 × 13,825.85
  4. Step 4: Simplify right side
    25,156.47x = 479,945,682.54
  5. Step 5: Solve for x
    x = 479,945,682.54/25,156.47
  6. Step 6: Final answer
    x = 19,078.42

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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.