Home / 25,399.62-35,051.97-15,201.15

Finding the Fourth Proportional to 25,399.62, 35,051.97 and 15,201.15

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Solution

The fourth proportional to 25,399.62, 35,051.97 and 15,201.15 is: 20,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,399.62 : 35,051.97 = 15,201.15 : x
  2. Step 2: Convert to fraction form
    25,399.62/35,051.97 = 15,201.15/x
  3. Step 3: Cross multiply
    25,399.62x = 35,051.97 × 15,201.15
  4. Step 4: Simplify right side
    25,399.62x = 532,830,253.77
  5. Step 5: Solve for x
    x = 532,830,253.77/25,399.62
  6. Step 6: Final answer
    x = 20,977.88

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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.