Home / 17,939.64-26,891.40-6,843.60

Finding the Fourth Proportional to 17,939.64, 26,891.40 and 6,843.60

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Solution

The fourth proportional to 17,939.64, 26,891.40 and 6,843.60 is: 10,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.64 : 26,891.40 = 6,843.60 : x
  2. Step 2: Convert to fraction form
    17,939.64/26,891.40 = 6,843.60/x
  3. Step 3: Cross multiply
    17,939.64x = 26,891.40 × 6,843.60
  4. Step 4: Simplify right side
    17,939.64x = 184,033,985.04
  5. Step 5: Solve for x
    x = 184,033,985.04/17,939.64
  6. Step 6: Final answer
    x = 10,258.51

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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.