Home / 27,611.42-38,121.37-17,007.17

Finding the Fourth Proportional to 27,611.42, 38,121.37 and 17,007.17

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Solution

The fourth proportional to 27,611.42, 38,121.37 and 17,007.17 is: 23,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.42 : 38,121.37 = 17,007.17 : x
  2. Step 2: Convert to fraction form
    27,611.42/38,121.37 = 17,007.17/x
  3. Step 3: Cross multiply
    27,611.42x = 38,121.37 × 17,007.17
  4. Step 4: Simplify right side
    27,611.42x = 648,336,387.10
  5. Step 5: Solve for x
    x = 648,336,387.10/27,611.42
  6. Step 6: Final answer
    x = 23,480.74

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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.