Home / 18,557.44-25,609.37-11,007.56

Finding the Fourth Proportional to 18,557.44, 25,609.37 and 11,007.56

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Solution

The fourth proportional to 18,557.44, 25,609.37 and 11,007.56 is: 15,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.44 : 25,609.37 = 11,007.56 : x
  2. Step 2: Convert to fraction form
    18,557.44/25,609.37 = 11,007.56/x
  3. Step 3: Cross multiply
    18,557.44x = 25,609.37 × 11,007.56
  4. Step 4: Simplify right side
    18,557.44x = 281,896,685.82
  5. Step 5: Solve for x
    x = 281,896,685.82/18,557.44
  6. Step 6: Final answer
    x = 15,190.50

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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.