Home / 19,735.88-27,237.83-11,240.03

Finding the Fourth Proportional to 19,735.88, 27,237.83 and 11,240.03

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Solution

The fourth proportional to 19,735.88, 27,237.83 and 11,240.03 is: 15,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.88 : 27,237.83 = 11,240.03 : x
  2. Step 2: Convert to fraction form
    19,735.88/27,237.83 = 11,240.03/x
  3. Step 3: Cross multiply
    19,735.88x = 27,237.83 × 11,240.03
  4. Step 4: Simplify right side
    19,735.88x = 306,153,833.95
  5. Step 5: Solve for x
    x = 306,153,833.95/19,735.88
  6. Step 6: Final answer
    x = 15,512.55

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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.