Home / 19,947.88-27,525.54-11,446.12

Finding the Fourth Proportional to 19,947.88, 27,525.54 and 11,446.12

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Solution

The fourth proportional to 19,947.88, 27,525.54 and 11,446.12 is: 15,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.88 : 27,525.54 = 11,446.12 : x
  2. Step 2: Convert to fraction form
    19,947.88/27,525.54 = 11,446.12/x
  3. Step 3: Cross multiply
    19,947.88x = 27,525.54 × 11,446.12
  4. Step 4: Simplify right side
    19,947.88x = 315,060,633.90
  5. Step 5: Solve for x
    x = 315,060,633.90/19,947.88
  6. Step 6: Final answer
    x = 15,794.19

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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.