Home / 17,228.20-25,855.28-11,668.36

Finding the Fourth Proportional to 17,228.20, 25,855.28 and 11,668.36

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Solution

The fourth proportional to 17,228.20, 25,855.28 and 11,668.36 is: 17,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.20 : 25,855.28 = 11,668.36 : x
  2. Step 2: Convert to fraction form
    17,228.20/25,855.28 = 11,668.36/x
  3. Step 3: Cross multiply
    17,228.20x = 25,855.28 × 11,668.36
  4. Step 4: Simplify right side
    17,228.20x = 301,688,714.94
  5. Step 5: Solve for x
    x = 301,688,714.94/17,228.20
  6. Step 6: Final answer
    x = 17,511.33

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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.