Home / 19,960.54-27,544.60-11,456.76

Finding the Fourth Proportional to 19,960.54, 27,544.60 and 11,456.76

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Solution

The fourth proportional to 19,960.54, 27,544.60 and 11,456.76 is: 15,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.54 : 27,544.60 = 11,456.76 : x
  2. Step 2: Convert to fraction form
    19,960.54/27,544.60 = 11,456.76/x
  3. Step 3: Cross multiply
    19,960.54x = 27,544.60 × 11,456.76
  4. Step 4: Simplify right side
    19,960.54x = 315,571,871.50
  5. Step 5: Solve for x
    x = 315,571,871.50/19,960.54
  6. Step 6: Final answer
    x = 15,809.79

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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.