Home / 19,698.48-27,169.92-11,734.56

Finding the Fourth Proportional to 19,698.48, 27,169.92 and 11,734.56

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Solution

The fourth proportional to 19,698.48, 27,169.92 and 11,734.56 is: 16,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.48 : 27,169.92 = 11,734.56 : x
  2. Step 2: Convert to fraction form
    19,698.48/27,169.92 = 11,734.56/x
  3. Step 3: Cross multiply
    19,698.48x = 27,169.92 × 11,734.56
  4. Step 4: Simplify right side
    19,698.48x = 318,827,056.44
  5. Step 5: Solve for x
    x = 318,827,056.44/19,698.48
  6. Step 6: Final answer
    x = 16,185.36

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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.