Home / 17,119.04-25,680.15-6,728.36

Finding the Fourth Proportional to 17,119.04, 25,680.15 and 6,728.36

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Solution

The fourth proportional to 17,119.04, 25,680.15 and 6,728.36 is: 10,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.04 : 25,680.15 = 6,728.36 : x
  2. Step 2: Convert to fraction form
    17,119.04/25,680.15 = 6,728.36/x
  3. Step 3: Cross multiply
    17,119.04x = 25,680.15 × 6,728.36
  4. Step 4: Simplify right side
    17,119.04x = 172,785,165.65
  5. Step 5: Solve for x
    x = 172,785,165.65/17,119.04
  6. Step 6: Final answer
    x = 10,093.16

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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.