Home / 19,944.44-27,522.90-10,991.71

Finding the Fourth Proportional to 19,944.44, 27,522.90 and 10,991.71

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Solution

The fourth proportional to 19,944.44, 27,522.90 and 10,991.71 is: 15,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.44 : 27,522.90 = 10,991.71 : x
  2. Step 2: Convert to fraction form
    19,944.44/27,522.90 = 10,991.71/x
  3. Step 3: Cross multiply
    19,944.44x = 27,522.90 × 10,991.71
  4. Step 4: Simplify right side
    19,944.44x = 302,523,597.54
  5. Step 5: Solve for x
    x = 302,523,597.54/19,944.44
  6. Step 6: Final answer
    x = 15,168.32

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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.