Home / 25,876.82-35,704.04-18,717.22

Finding the Fourth Proportional to 25,876.82, 35,704.04 and 18,717.22

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Solution

The fourth proportional to 25,876.82, 35,704.04 and 18,717.22 is: 25,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,876.82 : 35,704.04 = 18,717.22 : x
  2. Step 2: Convert to fraction form
    25,876.82/35,704.04 = 18,717.22/x
  3. Step 3: Cross multiply
    25,876.82x = 35,704.04 × 18,717.22
  4. Step 4: Simplify right side
    25,876.82x = 668,280,371.57
  5. Step 5: Solve for x
    x = 668,280,371.57/25,876.82
  6. Step 6: Final answer
    x = 25,825.44

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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.