Home / 17,186.64-25,784.80-6,659.84

Finding the Fourth Proportional to 17,186.64, 25,784.80 and 6,659.84

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Solution

The fourth proportional to 17,186.64, 25,784.80 and 6,659.84 is: 9,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,186.64 : 25,784.80 = 6,659.84 : x
  2. Step 2: Convert to fraction form
    17,186.64/25,784.80 = 6,659.84/x
  3. Step 3: Cross multiply
    17,186.64x = 25,784.80 × 6,659.84
  4. Step 4: Simplify right side
    17,186.64x = 171,722,642.43
  5. Step 5: Solve for x
    x = 171,722,642.43/17,186.64
  6. Step 6: Final answer
    x = 9,991.64

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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.