Home / 25,248.75-34,843.37-13,763.60

Finding the Fourth Proportional to 25,248.75, 34,843.37 and 13,763.60

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Solution

The fourth proportional to 25,248.75, 34,843.37 and 13,763.60 is: 18,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,248.75 : 34,843.37 = 13,763.60 : x
  2. Step 2: Convert to fraction form
    25,248.75/34,843.37 = 13,763.60/x
  3. Step 3: Cross multiply
    25,248.75x = 34,843.37 × 13,763.60
  4. Step 4: Simplify right side
    25,248.75x = 479,570,143.96
  5. Step 5: Solve for x
    x = 479,570,143.96/25,248.75
  6. Step 6: Final answer
    x = 18,993.82

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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.