Home / 17,175.18-23,678.19-11,860.86

Finding the Fourth Proportional to 17,175.18, 23,678.19 and 11,860.86

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Solution

The fourth proportional to 17,175.18, 23,678.19 and 11,860.86 is: 16,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,175.18 : 23,678.19 = 11,860.86 : x
  2. Step 2: Convert to fraction form
    17,175.18/23,678.19 = 11,860.86/x
  3. Step 3: Cross multiply
    17,175.18x = 23,678.19 × 11,860.86
  4. Step 4: Simplify right side
    17,175.18x = 280,843,696.64
  5. Step 5: Solve for x
    x = 280,843,696.64/17,175.18
  6. Step 6: Final answer
    x = 16,351.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.