Home / 19,836.74-27,370.42-11,448.38

Finding the Fourth Proportional to 19,836.74, 27,370.42 and 11,448.38

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Solution

The fourth proportional to 19,836.74, 27,370.42 and 11,448.38 is: 15,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.74 : 27,370.42 = 11,448.38 : x
  2. Step 2: Convert to fraction form
    19,836.74/27,370.42 = 11,448.38/x
  3. Step 3: Cross multiply
    19,836.74x = 27,370.42 × 11,448.38
  4. Step 4: Simplify right side
    19,836.74x = 313,346,803.45
  5. Step 5: Solve for x
    x = 313,346,803.45/19,836.74
  6. Step 6: Final answer
    x = 15,796.29

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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.