Home / 19,188.32-28,783.94-8,096.20

Finding the Fourth Proportional to 19,188.32, 28,783.94 and 8,096.20

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Solution

The fourth proportional to 19,188.32, 28,783.94 and 8,096.20 is: 12,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.32 : 28,783.94 = 8,096.20 : x
  2. Step 2: Convert to fraction form
    19,188.32/28,783.94 = 8,096.20/x
  3. Step 3: Cross multiply
    19,188.32x = 28,783.94 × 8,096.20
  4. Step 4: Simplify right side
    19,188.32x = 233,040,535.03
  5. Step 5: Solve for x
    x = 233,040,535.03/19,188.32
  6. Step 6: Final answer
    x = 12,144.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.