Home / 25,422.87-35,071.70-15,996.63

Finding the Fourth Proportional to 25,422.87, 35,071.70 and 15,996.63

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Solution

The fourth proportional to 25,422.87, 35,071.70 and 15,996.63 is: 22,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.87 : 35,071.70 = 15,996.63 : x
  2. Step 2: Convert to fraction form
    25,422.87/35,071.70 = 15,996.63/x
  3. Step 3: Cross multiply
    25,422.87x = 35,071.70 × 15,996.63
  4. Step 4: Simplify right side
    25,422.87x = 561,028,928.39
  5. Step 5: Solve for x
    x = 561,028,928.39/25,422.87
  6. Step 6: Final answer
    x = 22,067.88

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Double scale
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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.