Home / 19,653.47-27,121.98-11,268.35

Finding the Fourth Proportional to 19,653.47, 27,121.98 and 11,268.35

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Solution

The fourth proportional to 19,653.47, 27,121.98 and 11,268.35 is: 15,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.47 : 27,121.98 = 11,268.35 : x
  2. Step 2: Convert to fraction form
    19,653.47/27,121.98 = 11,268.35/x
  3. Step 3: Cross multiply
    19,653.47x = 27,121.98 × 11,268.35
  4. Step 4: Simplify right side
    19,653.47x = 305,619,906.99
  5. Step 5: Solve for x
    x = 305,619,906.99/19,653.47
  6. Step 6: Final answer
    x = 15,550.43

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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.