Home / 17,115.04-25,657.40-6,724.40

Finding the Fourth Proportional to 17,115.04, 25,657.40 and 6,724.40

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Solution

The fourth proportional to 17,115.04, 25,657.40 and 6,724.40 is: 10,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.04 : 25,657.40 = 6,724.40 : x
  2. Step 2: Convert to fraction form
    17,115.04/25,657.40 = 6,724.40/x
  3. Step 3: Cross multiply
    17,115.04x = 25,657.40 × 6,724.40
  4. Step 4: Simplify right side
    17,115.04x = 172,530,620.56
  5. Step 5: Solve for x
    x = 172,530,620.56/17,115.04
  6. Step 6: Final answer
    x = 10,080.64

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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.