Home / 19,542.54-26,958.31-11,888.16

Finding the Fourth Proportional to 19,542.54, 26,958.31 and 11,888.16

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Solution

The fourth proportional to 19,542.54, 26,958.31 and 11,888.16 is: 16,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.54 : 26,958.31 = 11,888.16 : x
  2. Step 2: Convert to fraction form
    19,542.54/26,958.31 = 11,888.16/x
  3. Step 3: Cross multiply
    19,542.54x = 26,958.31 × 11,888.16
  4. Step 4: Simplify right side
    19,542.54x = 320,484,571.80
  5. Step 5: Solve for x
    x = 320,484,571.80/19,542.54
  6. Step 6: Final answer
    x = 16,399.33

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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.