Home / 18,431.35-27,650.63-5,954.51

Finding the Fourth Proportional to 18,431.35, 27,650.63 and 5,954.51

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Solution

The fourth proportional to 18,431.35, 27,650.63 and 5,954.51 is: 8,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.35 : 27,650.63 = 5,954.51 : x
  2. Step 2: Convert to fraction form
    18,431.35/27,650.63 = 5,954.51/x
  3. Step 3: Cross multiply
    18,431.35x = 27,650.63 × 5,954.51
  4. Step 4: Simplify right side
    18,431.35x = 164,646,036.85
  5. Step 5: Solve for x
    x = 164,646,036.85/18,431.35
  6. Step 6: Final answer
    x = 8,932.94

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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.