Home / 17,078.75-25,621.91-5,234.16

Finding the Fourth Proportional to 17,078.75, 25,621.91 and 5,234.16

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Solution

The fourth proportional to 17,078.75, 25,621.91 and 5,234.16 is: 7,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.75 : 25,621.91 = 5,234.16 : x
  2. Step 2: Convert to fraction form
    17,078.75/25,621.91 = 5,234.16/x
  3. Step 3: Cross multiply
    17,078.75x = 25,621.91 × 5,234.16
  4. Step 4: Simplify right side
    17,078.75x = 134,109,176.45
  5. Step 5: Solve for x
    x = 134,109,176.45/17,078.75
  6. Step 6: Final answer
    x = 7,852.40

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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.