Home / 25,012.61-34,517.58-13,682.33

Finding the Fourth Proportional to 25,012.61, 34,517.58 and 13,682.33

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Solution

The fourth proportional to 25,012.61, 34,517.58 and 13,682.33 is: 18,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,012.61 : 34,517.58 = 13,682.33 : x
  2. Step 2: Convert to fraction form
    25,012.61/34,517.58 = 13,682.33/x
  3. Step 3: Cross multiply
    25,012.61x = 34,517.58 × 13,682.33
  4. Step 4: Simplify right side
    25,012.61x = 472,280,920.36
  5. Step 5: Solve for x
    x = 472,280,920.36/25,012.61
  6. Step 6: Final answer
    x = 18,881.71

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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.