Home / 17,108.08-25,664.70-7,247.40

Finding the Fourth Proportional to 17,108.08, 25,664.70 and 7,247.40

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Solution

The fourth proportional to 17,108.08, 25,664.70 and 7,247.40 is: 10,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.08 : 25,664.70 = 7,247.40 : x
  2. Step 2: Convert to fraction form
    17,108.08/25,664.70 = 7,247.40/x
  3. Step 3: Cross multiply
    17,108.08x = 25,664.70 × 7,247.40
  4. Step 4: Simplify right side
    17,108.08x = 186,002,346.78
  5. Step 5: Solve for x
    x = 186,002,346.78/17,108.08
  6. Step 6: Final answer
    x = 10,872.19

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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.