Home / 19,759.57-27,267.03-11,260.51

Finding the Fourth Proportional to 19,759.57, 27,267.03 and 11,260.51

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Solution

The fourth proportional to 19,759.57, 27,267.03 and 11,260.51 is: 15,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.57 : 27,267.03 = 11,260.51 : x
  2. Step 2: Convert to fraction form
    19,759.57/27,267.03 = 11,260.51/x
  3. Step 3: Cross multiply
    19,759.57x = 27,267.03 × 11,260.51
  4. Step 4: Simplify right side
    19,759.57x = 307,040,663.99
  5. Step 5: Solve for x
    x = 307,040,663.99/19,759.57
  6. Step 6: Final answer
    x = 15,538.83

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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.