Home / 25,078.75-34,608.74-13,900.75

Finding the Fourth Proportional to 25,078.75, 34,608.74 and 13,900.75

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Solution

The fourth proportional to 25,078.75, 34,608.74 and 13,900.75 is: 19,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.75 : 34,608.74 = 13,900.75 : x
  2. Step 2: Convert to fraction form
    25,078.75/34,608.74 = 13,900.75/x
  3. Step 3: Cross multiply
    25,078.75x = 34,608.74 × 13,900.75
  4. Step 4: Simplify right side
    25,078.75x = 481,087,442.56
  5. Step 5: Solve for x
    x = 481,087,442.56/25,078.75
  6. Step 6: Final answer
    x = 19,183.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.