Home / 19,559.54-26,991.92-10,945.60

Finding the Fourth Proportional to 19,559.54, 26,991.92 and 10,945.60

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Solution

The fourth proportional to 19,559.54, 26,991.92 and 10,945.60 is: 15,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.54 : 26,991.92 = 10,945.60 : x
  2. Step 2: Convert to fraction form
    19,559.54/26,991.92 = 10,945.60/x
  3. Step 3: Cross multiply
    19,559.54x = 26,991.92 × 10,945.60
  4. Step 4: Simplify right side
    19,559.54x = 295,442,719.44
  5. Step 5: Solve for x
    x = 295,442,719.44/19,559.54
  6. Step 6: Final answer
    x = 15,104.79

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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.