Home / 17,167.28-25,706.88-11,894.80

Finding the Fourth Proportional to 17,167.28, 25,706.88 and 11,894.80

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Solution

The fourth proportional to 17,167.28, 25,706.88 and 11,894.80 is: 17,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,167.28 : 25,706.88 = 11,894.80 : x
  2. Step 2: Convert to fraction form
    17,167.28/25,706.88 = 11,894.80/x
  3. Step 3: Cross multiply
    17,167.28x = 25,706.88 × 11,894.80
  4. Step 4: Simplify right side
    17,167.28x = 305,778,196.22
  5. Step 5: Solve for x
    x = 305,778,196.22/17,167.28
  6. Step 6: Final answer
    x = 17,811.69

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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.