Home / 20,054.64-27,675.62-11,102.29

Finding the Fourth Proportional to 20,054.64, 27,675.62 and 11,102.29

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Solution

The fourth proportional to 20,054.64, 27,675.62 and 11,102.29 is: 15,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.64 : 27,675.62 = 11,102.29 : x
  2. Step 2: Convert to fraction form
    20,054.64/27,675.62 = 11,102.29/x
  3. Step 3: Cross multiply
    20,054.64x = 27,675.62 × 11,102.29
  4. Step 4: Simplify right side
    20,054.64x = 307,262,634.47
  5. Step 5: Solve for x
    x = 307,262,634.47/20,054.64
  6. Step 6: Final answer
    x = 15,321.28

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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.