Home / 19,429.92-26,806.36-11,468.16

Finding the Fourth Proportional to 19,429.92, 26,806.36 and 11,468.16

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Solution

The fourth proportional to 19,429.92, 26,806.36 and 11,468.16 is: 15,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.92 : 26,806.36 = 11,468.16 : x
  2. Step 2: Convert to fraction form
    19,429.92/26,806.36 = 11,468.16/x
  3. Step 3: Cross multiply
    19,429.92x = 26,806.36 × 11,468.16
  4. Step 4: Simplify right side
    19,429.92x = 307,419,625.50
  5. Step 5: Solve for x
    x = 307,419,625.50/19,429.92
  6. Step 6: Final answer
    x = 15,821.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.