Home / 19,195.38-28,796.94-8,102.08

Finding the Fourth Proportional to 19,195.38, 28,796.94 and 8,102.08

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Solution

The fourth proportional to 19,195.38, 28,796.94 and 8,102.08 is: 12,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.38 : 28,796.94 = 8,102.08 : x
  2. Step 2: Convert to fraction form
    19,195.38/28,796.94 = 8,102.08/x
  3. Step 3: Cross multiply
    19,195.38x = 28,796.94 × 8,102.08
  4. Step 4: Simplify right side
    19,195.38x = 233,315,111.64
  5. Step 5: Solve for x
    x = 233,315,111.64/19,195.38
  6. Step 6: Final answer
    x = 12,154.75

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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.