Home / 17,072.40-25,609.68-5,383.92

Finding the Fourth Proportional to 17,072.40, 25,609.68 and 5,383.92

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Solution

The fourth proportional to 17,072.40, 25,609.68 and 5,383.92 is: 8,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072.40 : 25,609.68 = 5,383.92 : x
  2. Step 2: Convert to fraction form
    17,072.40/25,609.68 = 5,383.92/x
  3. Step 3: Cross multiply
    17,072.40x = 25,609.68 × 5,383.92
  4. Step 4: Simplify right side
    17,072.40x = 137,880,468.35
  5. Step 5: Solve for x
    x = 137,880,468.35/17,072.40
  6. Step 6: Final answer
    x = 8,076.22

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1.5x scale

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.