Home / 19,228.92-28,826.19-10,348.99

Finding the Fourth Proportional to 19,228.92, 28,826.19 and 10,348.99

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Solution

The fourth proportional to 19,228.92, 28,826.19 and 10,348.99 is: 15,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.92 : 28,826.19 = 10,348.99 : x
  2. Step 2: Convert to fraction form
    19,228.92/28,826.19 = 10,348.99/x
  3. Step 3: Cross multiply
    19,228.92x = 28,826.19 × 10,348.99
  4. Step 4: Simplify right side
    19,228.92x = 298,321,952.05
  5. Step 5: Solve for x
    x = 298,321,952.05/19,228.92
  6. Step 6: Final answer
    x = 15,514.23

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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.