Home / 21,225.92-29,292.48-11,794.88

Finding the Fourth Proportional to 21,225.92, 29,292.48 and 11,794.88

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Solution

The fourth proportional to 21,225.92, 29,292.48 and 11,794.88 is: 16,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225.92 : 29,292.48 = 11,794.88 : x
  2. Step 2: Convert to fraction form
    21,225.92/29,292.48 = 11,794.88/x
  3. Step 3: Cross multiply
    21,225.92x = 29,292.48 × 11,794.88
  4. Step 4: Simplify right side
    21,225.92x = 345,501,286.50
  5. Step 5: Solve for x
    x = 345,501,286.50/21,225.92
  6. Step 6: Final answer
    x = 16,277.33

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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.