Home / 18,777.32-25,908.36-11,226.04

Finding the Fourth Proportional to 18,777.32, 25,908.36 and 11,226.04

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Solution

The fourth proportional to 18,777.32, 25,908.36 and 11,226.04 is: 15,489.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.32 : 25,908.36 = 11,226.04 : x
  2. Step 2: Convert to fraction form
    18,777.32/25,908.36 = 11,226.04/x
  3. Step 3: Cross multiply
    18,777.32x = 25,908.36 × 11,226.04
  4. Step 4: Simplify right side
    18,777.32x = 290,848,285.69
  5. Step 5: Solve for x
    x = 290,848,285.69/18,777.32
  6. Step 6: Final answer
    x = 15,489.34

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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.