Home / 18,787.56-25,926.44-10,289.27

Finding the Fourth Proportional to 18,787.56, 25,926.44 and 10,289.27

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Solution

The fourth proportional to 18,787.56, 25,926.44 and 10,289.27 is: 14,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.56 : 25,926.44 = 10,289.27 : x
  2. Step 2: Convert to fraction form
    18,787.56/25,926.44 = 10,289.27/x
  3. Step 3: Cross multiply
    18,787.56x = 25,926.44 × 10,289.27
  4. Step 4: Simplify right side
    18,787.56x = 266,763,960.22
  5. Step 5: Solve for x
    x = 266,763,960.22/18,787.56
  6. Step 6: Final answer
    x = 14,198.97

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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.