Home / 17,277.74-25,781.80-15,416.05

Finding the Fourth Proportional to 17,277.74, 25,781.80 and 15,416.05

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Solution

The fourth proportional to 17,277.74, 25,781.80 and 15,416.05 is: 23,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,277.74 : 25,781.80 = 15,416.05 : x
  2. Step 2: Convert to fraction form
    17,277.74/25,781.80 = 15,416.05/x
  3. Step 3: Cross multiply
    17,277.74x = 25,781.80 × 15,416.05
  4. Step 4: Simplify right side
    17,277.74x = 397,453,517.89
  5. Step 5: Solve for x
    x = 397,453,517.89/17,277.74
  6. Step 6: Final answer
    x = 23,003.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.