Home / 26,655.44-36,784.20-18,274.64

Finding the Fourth Proportional to 26,655.44, 36,784.20 and 18,274.64

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Solution

The fourth proportional to 26,655.44, 36,784.20 and 18,274.64 is: 25,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.44 : 36,784.20 = 18,274.64 : x
  2. Step 2: Convert to fraction form
    26,655.44/36,784.20 = 18,274.64/x
  3. Step 3: Cross multiply
    26,655.44x = 36,784.20 × 18,274.64
  4. Step 4: Simplify right side
    26,655.44x = 672,218,012.69
  5. Step 5: Solve for x
    x = 672,218,012.69/26,655.44
  6. Step 6: Final answer
    x = 25,218.79

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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.