Home / 18,282.58-25,238.73-11,571.46

Finding the Fourth Proportional to 18,282.58, 25,238.73 and 11,571.46

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Solution

The fourth proportional to 18,282.58, 25,238.73 and 11,571.46 is: 15,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.58 : 25,238.73 = 11,571.46 : x
  2. Step 2: Convert to fraction form
    18,282.58/25,238.73 = 11,571.46/x
  3. Step 3: Cross multiply
    18,282.58x = 25,238.73 × 11,571.46
  4. Step 4: Simplify right side
    18,282.58x = 292,048,954.65
  5. Step 5: Solve for x
    x = 292,048,954.65/18,282.58
  6. Step 6: Final answer
    x = 15,974.17

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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.