Home / 17,228.30-25,792.27-12,805.56

Finding the Fourth Proportional to 17,228.30, 25,792.27 and 12,805.56

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Solution

The fourth proportional to 17,228.30, 25,792.27 and 12,805.56 is: 19,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.30 : 25,792.27 = 12,805.56 : x
  2. Step 2: Convert to fraction form
    17,228.30/25,792.27 = 12,805.56/x
  3. Step 3: Cross multiply
    17,228.30x = 25,792.27 × 12,805.56
  4. Step 4: Simplify right side
    17,228.30x = 330,284,429.01
  5. Step 5: Solve for x
    x = 330,284,429.01/17,228.30
  6. Step 6: Final answer
    x = 19,171.05

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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.