Home / 25,451.54-35,121.54-15,374.03

Finding the Fourth Proportional to 25,451.54, 35,121.54 and 15,374.03

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Solution

The fourth proportional to 25,451.54, 35,121.54 and 15,374.03 is: 21,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.54 : 35,121.54 = 15,374.03 : x
  2. Step 2: Convert to fraction form
    25,451.54/35,121.54 = 15,374.03/x
  3. Step 3: Cross multiply
    25,451.54x = 35,121.54 × 15,374.03
  4. Step 4: Simplify right side
    25,451.54x = 539,959,357.13
  5. Step 5: Solve for x
    x = 539,959,357.13/25,451.54
  6. Step 6: Final answer
    x = 21,215.20

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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.