Home / 18,786.58-25,927.44-11,134.41

Finding the Fourth Proportional to 18,786.58, 25,927.44 and 11,134.41

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Solution

The fourth proportional to 18,786.58, 25,927.44 and 11,134.41 is: 15,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.58 : 25,927.44 = 11,134.41 : x
  2. Step 2: Convert to fraction form
    18,786.58/25,927.44 = 11,134.41/x
  3. Step 3: Cross multiply
    18,786.58x = 25,927.44 × 11,134.41
  4. Step 4: Simplify right side
    18,786.58x = 288,686,816.70
  5. Step 5: Solve for x
    x = 288,686,816.70/18,786.58
  6. Step 6: Final answer
    x = 15,366.65

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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.