Home / 18,744.75-25,867.79-10,361.25

Finding the Fourth Proportional to 18,744.75, 25,867.79 and 10,361.25

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Solution

The fourth proportional to 18,744.75, 25,867.79 and 10,361.25 is: 14,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.75 : 25,867.79 = 10,361.25 : x
  2. Step 2: Convert to fraction form
    18,744.75/25,867.79 = 10,361.25/x
  3. Step 3: Cross multiply
    18,744.75x = 25,867.79 × 10,361.25
  4. Step 4: Simplify right side
    18,744.75x = 268,022,587.33
  5. Step 5: Solve for x
    x = 268,022,587.33/18,744.75
  6. Step 6: Final answer
    x = 14,298.54

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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.