Home / 25,489.22-35,175.36-14,876.78

Finding the Fourth Proportional to 25,489.22, 35,175.36 and 14,876.78

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Solution

The fourth proportional to 25,489.22, 35,175.36 and 14,876.78 is: 20,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.22 : 35,175.36 = 14,876.78 : x
  2. Step 2: Convert to fraction form
    25,489.22/35,175.36 = 14,876.78/x
  3. Step 3: Cross multiply
    25,489.22x = 35,175.36 × 14,876.78
  4. Step 4: Simplify right side
    25,489.22x = 523,296,092.14
  5. Step 5: Solve for x
    x = 523,296,092.14/25,489.22
  6. Step 6: Final answer
    x = 20,530.09

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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.