Home / 19,645.43-27,108.63-11,469.33

Finding the Fourth Proportional to 19,645.43, 27,108.63 and 11,469.33

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Solution

The fourth proportional to 19,645.43, 27,108.63 and 11,469.33 is: 15,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.43 : 27,108.63 = 11,469.33 : x
  2. Step 2: Convert to fraction form
    19,645.43/27,108.63 = 11,469.33/x
  3. Step 3: Cross multiply
    19,645.43x = 27,108.63 × 11,469.33
  4. Step 4: Simplify right side
    19,645.43x = 310,917,823.32
  5. Step 5: Solve for x
    x = 310,917,823.32/19,645.43
  6. Step 6: Final answer
    x = 15,826.47

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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.