Home / 19,755.91-27,262.20-11,260.03

Finding the Fourth Proportional to 19,755.91, 27,262.20 and 11,260.03

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Solution

The fourth proportional to 19,755.91, 27,262.20 and 11,260.03 is: 15,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.91 : 27,262.20 = 11,260.03 : x
  2. Step 2: Convert to fraction form
    19,755.91/27,262.20 = 11,260.03/x
  3. Step 3: Cross multiply
    19,755.91x = 27,262.20 × 11,260.03
  4. Step 4: Simplify right side
    19,755.91x = 306,973,133.57
  5. Step 5: Solve for x
    x = 306,973,133.57/19,755.91
  6. Step 6: Final answer
    x = 15,538.29

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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.