Home / 19,727.58-27,219.60-11,768.25

Finding the Fourth Proportional to 19,727.58, 27,219.60 and 11,768.25

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Solution

The fourth proportional to 19,727.58, 27,219.60 and 11,768.25 is: 16,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.58 : 27,219.60 = 11,768.25 : x
  2. Step 2: Convert to fraction form
    19,727.58/27,219.60 = 11,768.25/x
  3. Step 3: Cross multiply
    19,727.58x = 27,219.60 × 11,768.25
  4. Step 4: Simplify right side
    19,727.58x = 320,327,057.70
  5. Step 5: Solve for x
    x = 320,327,057.70/19,727.58
  6. Step 6: Final answer
    x = 16,237.52

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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.