Home / 17,176.64-25,722.72-8,383.20

Finding the Fourth Proportional to 17,176.64, 25,722.72 and 8,383.20

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Solution

The fourth proportional to 17,176.64, 25,722.72 and 8,383.20 is: 12,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.64 : 25,722.72 = 8,383.20 : x
  2. Step 2: Convert to fraction form
    17,176.64/25,722.72 = 8,383.20/x
  3. Step 3: Cross multiply
    17,176.64x = 25,722.72 × 8,383.20
  4. Step 4: Simplify right side
    17,176.64x = 215,638,706.30
  5. Step 5: Solve for x
    x = 215,638,706.30/17,176.64
  6. Step 6: Final answer
    x = 12,554.18

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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.