Home / 20,054.51-27,674.82-11,101.49

Finding the Fourth Proportional to 20,054.51, 27,674.82 and 11,101.49

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Solution

The fourth proportional to 20,054.51, 27,674.82 and 11,101.49 is: 15,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.51 : 27,674.82 = 11,101.49 : x
  2. Step 2: Convert to fraction form
    20,054.51/27,674.82 = 11,101.49/x
  3. Step 3: Cross multiply
    20,054.51x = 27,674.82 × 11,101.49
  4. Step 4: Simplify right side
    20,054.51x = 307,231,599.11
  5. Step 5: Solve for x
    x = 307,231,599.11/20,054.51
  6. Step 6: Final answer
    x = 15,319.83

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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.