Home / 25,841.97-35,665.56-15,090.39

Finding the Fourth Proportional to 25,841.97, 35,665.56 and 15,090.39

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Solution

The fourth proportional to 25,841.97, 35,665.56 and 15,090.39 is: 20,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,841.97 : 35,665.56 = 15,090.39 : x
  2. Step 2: Convert to fraction form
    25,841.97/35,665.56 = 15,090.39/x
  3. Step 3: Cross multiply
    25,841.97x = 35,665.56 × 15,090.39
  4. Step 4: Simplify right side
    25,841.97x = 538,207,209.97
  5. Step 5: Solve for x
    x = 538,207,209.97/25,841.97
  6. Step 6: Final answer
    x = 20,826.86

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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.