Home / 27,557.73-37,993.44-19,894.54

Finding the Fourth Proportional to 27,557.73, 37,993.44 and 19,894.54

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Solution

The fourth proportional to 27,557.73, 37,993.44 and 19,894.54 is: 27,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,557.73 : 37,993.44 = 19,894.54 : x
  2. Step 2: Convert to fraction form
    27,557.73/37,993.44 = 19,894.54/x
  3. Step 3: Cross multiply
    27,557.73x = 37,993.44 × 19,894.54
  4. Step 4: Simplify right side
    27,557.73x = 755,862,011.82
  5. Step 5: Solve for x
    x = 755,862,011.82/27,557.73
  6. Step 6: Final answer
    x = 27,428.31

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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.