Home / 19,944.56-27,523.19-10,991.84

Finding the Fourth Proportional to 19,944.56, 27,523.19 and 10,991.84

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Solution

The fourth proportional to 19,944.56, 27,523.19 and 10,991.84 is: 15,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.56 : 27,523.19 = 10,991.84 : x
  2. Step 2: Convert to fraction form
    19,944.56/27,523.19 = 10,991.84/x
  3. Step 3: Cross multiply
    19,944.56x = 27,523.19 × 10,991.84
  4. Step 4: Simplify right side
    19,944.56x = 302,530,390.63
  5. Step 5: Solve for x
    x = 302,530,390.63/19,944.56
  6. Step 6: Final answer
    x = 15,168.56

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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.