Home / 19,845.91-27,388.33-10,893.32

Finding the Fourth Proportional to 19,845.91, 27,388.33 and 10,893.32

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Solution

The fourth proportional to 19,845.91, 27,388.33 and 10,893.32 is: 15,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.91 : 27,388.33 = 10,893.32 : x
  2. Step 2: Convert to fraction form
    19,845.91/27,388.33 = 10,893.32/x
  3. Step 3: Cross multiply
    19,845.91x = 27,388.33 × 10,893.32
  4. Step 4: Simplify right side
    19,845.91x = 298,349,781.49
  5. Step 5: Solve for x
    x = 298,349,781.49/19,845.91
  6. Step 6: Final answer
    x = 15,033.31

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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.