Home / 17,190.07-25,787.58-6,520.36

Finding the Fourth Proportional to 17,190.07, 25,787.58 and 6,520.36

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Solution

The fourth proportional to 17,190.07, 25,787.58 and 6,520.36 is: 9,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.07 : 25,787.58 = 6,520.36 : x
  2. Step 2: Convert to fraction form
    17,190.07/25,787.58 = 6,520.36/x
  3. Step 3: Cross multiply
    17,190.07x = 25,787.58 × 6,520.36
  4. Step 4: Simplify right side
    17,190.07x = 168,144,305.13
  5. Step 5: Solve for x
    x = 168,144,305.13/17,190.07
  6. Step 6: Final answer
    x = 9,781.48

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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.