Home / 19,912.96-27,478.74-10,960.84

Finding the Fourth Proportional to 19,912.96, 27,478.74 and 10,960.84

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Solution

The fourth proportional to 19,912.96, 27,478.74 and 10,960.84 is: 15,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.96 : 27,478.74 = 10,960.84 : x
  2. Step 2: Convert to fraction form
    19,912.96/27,478.74 = 10,960.84/x
  3. Step 3: Cross multiply
    19,912.96x = 27,478.74 × 10,960.84
  4. Step 4: Simplify right side
    19,912.96x = 301,190,072.54
  5. Step 5: Solve for x
    x = 301,190,072.54/19,912.96
  6. Step 6: Final answer
    x = 15,125.33

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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.