Home / 19,195.62-28,797.30-8,102.28

Finding the Fourth Proportional to 19,195.62, 28,797.30 and 8,102.28

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Solution

The fourth proportional to 19,195.62, 28,797.30 and 8,102.28 is: 12,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.62 : 28,797.30 = 8,102.28 : x
  2. Step 2: Convert to fraction form
    19,195.62/28,797.30 = 8,102.28/x
  3. Step 3: Cross multiply
    19,195.62x = 28,797.30 × 8,102.28
  4. Step 4: Simplify right side
    19,195.62x = 233,323,787.84
  5. Step 5: Solve for x
    x = 233,323,787.84/19,195.62
  6. Step 6: Final answer
    x = 12,155.05

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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.