Home / 15,227.92-21,020.34-9,924.04

Finding the Fourth Proportional to 15,227.92, 21,020.34 and 9,924.04

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Solution

The fourth proportional to 15,227.92, 21,020.34 and 9,924.04 is: 13,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,227.92 : 21,020.34 = 9,924.04 : x
  2. Step 2: Convert to fraction form
    15,227.92/21,020.34 = 9,924.04/x
  3. Step 3: Cross multiply
    15,227.92x = 21,020.34 × 9,924.04
  4. Step 4: Simplify right side
    15,227.92x = 208,606,694.97
  5. Step 5: Solve for x
    x = 208,606,694.97/15,227.92
  6. Step 6: Final answer
    x = 13,698.96

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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.