Home / 19,772.82-27,288.99-11,277.93

Finding the Fourth Proportional to 19,772.82, 27,288.99 and 11,277.93

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Solution

The fourth proportional to 19,772.82, 27,288.99 and 11,277.93 is: 15,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.82 : 27,288.99 = 11,277.93 : x
  2. Step 2: Convert to fraction form
    19,772.82/27,288.99 = 11,277.93/x
  3. Step 3: Cross multiply
    19,772.82x = 27,288.99 × 11,277.93
  4. Step 4: Simplify right side
    19,772.82x = 307,763,318.99
  5. Step 5: Solve for x
    x = 307,763,318.99/19,772.82
  6. Step 6: Final answer
    x = 15,564.97

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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.