Home / 20,054.36-27,670.94-11,101.23

Finding the Fourth Proportional to 20,054.36, 27,670.94 and 11,101.23

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Solution

The fourth proportional to 20,054.36, 27,670.94 and 11,101.23 is: 15,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.36 : 27,670.94 = 11,101.23 : x
  2. Step 2: Convert to fraction form
    20,054.36/27,670.94 = 11,101.23/x
  3. Step 3: Cross multiply
    20,054.36x = 27,670.94 × 11,101.23
  4. Step 4: Simplify right side
    20,054.36x = 307,181,469.26
  5. Step 5: Solve for x
    x = 307,181,469.26/20,054.36
  6. Step 6: Final answer
    x = 15,317.44

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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.