Home / 17,194.86-25,787.15-5,186.51

Finding the Fourth Proportional to 17,194.86, 25,787.15 and 5,186.51

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Solution

The fourth proportional to 17,194.86, 25,787.15 and 5,186.51 is: 7,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,194.86 : 25,787.15 = 5,186.51 : x
  2. Step 2: Convert to fraction form
    17,194.86/25,787.15 = 5,186.51/x
  3. Step 3: Cross multiply
    17,194.86x = 25,787.15 × 5,186.51
  4. Step 4: Simplify right side
    17,194.86x = 133,745,156.48
  5. Step 5: Solve for x
    x = 133,745,156.48/17,194.86
  6. Step 6: Final answer
    x = 7,778.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.