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Finding the Fourth Proportional to 19,648.16, 27,133.73 and 16,799.09

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Solution

The fourth proportional to 19,648.16, 27,133.73 and 16,799.09 is: 23,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.16 : 27,133.73 = 16,799.09 : x
  2. Step 2: Convert to fraction form
    19,648.16/27,133.73 = 16,799.09/x
  3. Step 3: Cross multiply
    19,648.16x = 27,133.73 × 16,799.09
  4. Step 4: Simplify right side
    19,648.16x = 455,821,752.64
  5. Step 5: Solve for x
    x = 455,821,752.64/19,648.16
  6. Step 6: Final answer
    x = 23,199.21

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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.