Home / 19,151.24-28,753.78-9,797.97

Finding the Fourth Proportional to 19,151.24, 28,753.78 and 9,797.97

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Solution

The fourth proportional to 19,151.24, 28,753.78 and 9,797.97 is: 14,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.24 : 28,753.78 = 9,797.97 : x
  2. Step 2: Convert to fraction form
    19,151.24/28,753.78 = 9,797.97/x
  3. Step 3: Cross multiply
    19,151.24x = 28,753.78 × 9,797.97
  4. Step 4: Simplify right side
    19,151.24x = 281,728,667.10
  5. Step 5: Solve for x
    x = 281,728,667.10/19,151.24
  6. Step 6: Final answer
    x = 14,710.72

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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.