Home / 15,849.73-23,765.71-10,857.75

Finding the Fourth Proportional to 15,849.73, 23,765.71 and 10,857.75

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Solution

The fourth proportional to 15,849.73, 23,765.71 and 10,857.75 is: 16,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849.73 : 23,765.71 = 10,857.75 : x
  2. Step 2: Convert to fraction form
    15,849.73/23,765.71 = 10,857.75/x
  3. Step 3: Cross multiply
    15,849.73x = 23,765.71 × 10,857.75
  4. Step 4: Simplify right side
    15,849.73x = 258,042,137.75
  5. Step 5: Solve for x
    x = 258,042,137.75/15,849.73
  6. Step 6: Final answer
    x = 16,280.54

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1.5x scale

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.