Home / 17,121.27-25,645.57-11,177.16

Finding the Fourth Proportional to 17,121.27, 25,645.57 and 11,177.16

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Solution

The fourth proportional to 17,121.27, 25,645.57 and 11,177.16 is: 16,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.27 : 25,645.57 = 11,177.16 : x
  2. Step 2: Convert to fraction form
    17,121.27/25,645.57 = 11,177.16/x
  3. Step 3: Cross multiply
    17,121.27x = 25,645.57 × 11,177.16
  4. Step 4: Simplify right side
    17,121.27x = 286,644,639.18
  5. Step 5: Solve for x
    x = 286,644,639.18/17,121.27
  6. Step 6: Final answer
    x = 16,742.02

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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.