Home / 25,891.26-35,733.78-15,825.60

Finding the Fourth Proportional to 25,891.26, 35,733.78 and 15,825.60

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Solution

The fourth proportional to 25,891.26, 35,733.78 and 15,825.60 is: 21,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.26 : 35,733.78 = 15,825.60 : x
  2. Step 2: Convert to fraction form
    25,891.26/35,733.78 = 15,825.60/x
  3. Step 3: Cross multiply
    25,891.26x = 35,733.78 × 15,825.60
  4. Step 4: Simplify right side
    25,891.26x = 565,508,508.77
  5. Step 5: Solve for x
    x = 565,508,508.77/25,891.26
  6. Step 6: Final answer
    x = 21,841.68

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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.