Home / 17,137.72-25,706.57-9,641.78

Finding the Fourth Proportional to 17,137.72, 25,706.57 and 9,641.78

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Solution

The fourth proportional to 17,137.72, 25,706.57 and 9,641.78 is: 14,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,137.72 : 25,706.57 = 9,641.78 : x
  2. Step 2: Convert to fraction form
    17,137.72/25,706.57 = 9,641.78/x
  3. Step 3: Cross multiply
    17,137.72x = 25,706.57 × 9,641.78
  4. Step 4: Simplify right side
    17,137.72x = 247,857,092.49
  5. Step 5: Solve for x
    x = 247,857,092.49/17,137.72
  6. Step 6: Final answer
    x = 14,462.66

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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.