Home / 19,896.48-27,455.18-11,396.97

Finding the Fourth Proportional to 19,896.48, 27,455.18 and 11,396.97

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Solution

The fourth proportional to 19,896.48, 27,455.18 and 11,396.97 is: 15,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.48 : 27,455.18 = 11,396.97 : x
  2. Step 2: Convert to fraction form
    19,896.48/27,455.18 = 11,396.97/x
  3. Step 3: Cross multiply
    19,896.48x = 27,455.18 × 11,396.97
  4. Step 4: Simplify right side
    19,896.48x = 312,905,805.82
  5. Step 5: Solve for x
    x = 312,905,805.82/19,896.48
  6. Step 6: Final answer
    x = 15,726.69

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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.