Home / 13,324.36-19,969.44-11,268.64

Finding the Fourth Proportional to 13,324.36, 19,969.44 and 11,268.64

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Solution

The fourth proportional to 13,324.36, 19,969.44 and 11,268.64 is: 16,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.36 : 19,969.44 = 11,268.64 : x
  2. Step 2: Convert to fraction form
    13,324.36/19,969.44 = 11,268.64/x
  3. Step 3: Cross multiply
    13,324.36x = 19,969.44 × 11,268.64
  4. Step 4: Simplify right side
    13,324.36x = 225,028,430.36
  5. Step 5: Solve for x
    x = 225,028,430.36/13,324.36
  6. Step 6: Final answer
    x = 16,888.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.