Home / 19,954.94-27,539.46-11,004.20

Finding the Fourth Proportional to 19,954.94, 27,539.46 and 11,004.20

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Solution

The fourth proportional to 19,954.94, 27,539.46 and 11,004.20 is: 15,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.94 : 27,539.46 = 11,004.20 : x
  2. Step 2: Convert to fraction form
    19,954.94/27,539.46 = 11,004.20/x
  3. Step 3: Cross multiply
    19,954.94x = 27,539.46 × 11,004.20
  4. Step 4: Simplify right side
    19,954.94x = 303,049,725.73
  5. Step 5: Solve for x
    x = 303,049,725.73/19,954.94
  6. Step 6: Final answer
    x = 15,186.70

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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.