Home / 19,628.36-27,077.60-11,664.94

Finding the Fourth Proportional to 19,628.36, 27,077.60 and 11,664.94

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Solution

The fourth proportional to 19,628.36, 27,077.60 and 11,664.94 is: 16,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.36 : 27,077.60 = 11,664.94 : x
  2. Step 2: Convert to fraction form
    19,628.36/27,077.60 = 11,664.94/x
  3. Step 3: Cross multiply
    19,628.36x = 27,077.60 × 11,664.94
  4. Step 4: Simplify right side
    19,628.36x = 315,858,579.34
  5. Step 5: Solve for x
    x = 315,858,579.34/19,628.36
  6. Step 6: Final answer
    x = 16,091.95

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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.