Home / 15,944.78-23,918.52-4,851.56

Finding the Fourth Proportional to 15,944.78, 23,918.52 and 4,851.56

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Solution

The fourth proportional to 15,944.78, 23,918.52 and 4,851.56 is: 7,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.78 : 23,918.52 = 4,851.56 : x
  2. Step 2: Convert to fraction form
    15,944.78/23,918.52 = 4,851.56/x
  3. Step 3: Cross multiply
    15,944.78x = 23,918.52 × 4,851.56
  4. Step 4: Simplify right side
    15,944.78x = 116,042,212.88
  5. Step 5: Solve for x
    x = 116,042,212.88/15,944.78
  6. Step 6: Final answer
    x = 7,277.75

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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.