Home / 19,628.11-27,077.26-11,664.70

Finding the Fourth Proportional to 19,628.11, 27,077.26 and 11,664.70

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Solution

The fourth proportional to 19,628.11, 27,077.26 and 11,664.70 is: 16,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.11 : 27,077.26 = 11,664.70 : x
  2. Step 2: Convert to fraction form
    19,628.11/27,077.26 = 11,664.70/x
  3. Step 3: Cross multiply
    19,628.11x = 27,077.26 × 11,664.70
  4. Step 4: Simplify right side
    19,628.11x = 315,848,114.72
  5. Step 5: Solve for x
    x = 315,848,114.72/19,628.11
  6. Step 6: Final answer
    x = 16,091.62

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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.