Home / 25,895.78-38,850.36-11,849.11

Finding the Fourth Proportional to 25,895.78, 38,850.36 and 11,849.11

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Solution

The fourth proportional to 25,895.78, 38,850.36 and 11,849.11 is: 17,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,895.78 : 38,850.36 = 11,849.11 : x
  2. Step 2: Convert to fraction form
    25,895.78/38,850.36 = 11,849.11/x
  3. Step 3: Cross multiply
    25,895.78x = 38,850.36 × 11,849.11
  4. Step 4: Simplify right side
    25,895.78x = 460,342,189.18
  5. Step 5: Solve for x
    x = 460,342,189.18/25,895.78
  6. Step 6: Final answer
    x = 17,776.73

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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.