Home / 18,768.56-25,896.26-11,217.33

Finding the Fourth Proportional to 18,768.56, 25,896.26 and 11,217.33

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Solution

The fourth proportional to 18,768.56, 25,896.26 and 11,217.33 is: 15,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.56 : 25,896.26 = 11,217.33 : x
  2. Step 2: Convert to fraction form
    18,768.56/25,896.26 = 11,217.33/x
  3. Step 3: Cross multiply
    18,768.56x = 25,896.26 × 11,217.33
  4. Step 4: Simplify right side
    18,768.56x = 290,486,838.10
  5. Step 5: Solve for x
    x = 290,486,838.10/18,768.56
  6. Step 6: Final answer
    x = 15,477.32

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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.