Home / 18,650.16-27,975.26-15,356.34

Finding the Fourth Proportional to 18,650.16, 27,975.26 and 15,356.34

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Solution

The fourth proportional to 18,650.16, 27,975.26 and 15,356.34 is: 23,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.16 : 27,975.26 = 15,356.34 : x
  2. Step 2: Convert to fraction form
    18,650.16/27,975.26 = 15,356.34/x
  3. Step 3: Cross multiply
    18,650.16x = 27,975.26 × 15,356.34
  4. Step 4: Simplify right side
    18,650.16x = 429,597,642.54
  5. Step 5: Solve for x
    x = 429,597,642.54/18,650.16
  6. Step 6: Final answer
    x = 23,034.53

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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.