Home / 19,778.24-27,292.81-10,825.91

Finding the Fourth Proportional to 19,778.24, 27,292.81 and 10,825.91

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Solution

The fourth proportional to 19,778.24, 27,292.81 and 10,825.91 is: 14,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.24 : 27,292.81 = 10,825.91 : x
  2. Step 2: Convert to fraction form
    19,778.24/27,292.81 = 10,825.91/x
  3. Step 3: Cross multiply
    19,778.24x = 27,292.81 × 10,825.91
  4. Step 4: Simplify right side
    19,778.24x = 295,469,504.71
  5. Step 5: Solve for x
    x = 295,469,504.71/19,778.24
  6. Step 6: Final answer
    x = 14,939.12

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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.