Home / 19,968.16-27,555.76-10,893.44

Finding the Fourth Proportional to 19,968.16, 27,555.76 and 10,893.44

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Solution

The fourth proportional to 19,968.16, 27,555.76 and 10,893.44 is: 15,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.16 : 27,555.76 = 10,893.44 : x
  2. Step 2: Convert to fraction form
    19,968.16/27,555.76 = 10,893.44/x
  3. Step 3: Cross multiply
    19,968.16x = 27,555.76 × 10,893.44
  4. Step 4: Simplify right side
    19,968.16x = 300,177,018.21
  5. Step 5: Solve for x
    x = 300,177,018.21/19,968.16
  6. Step 6: Final answer
    x = 15,032.78

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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.