Home / 30,198.96-41,699.43-19,606.68

Finding the Fourth Proportional to 30,198.96, 41,699.43 and 19,606.68

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Solution

The fourth proportional to 30,198.96, 41,699.43 and 19,606.68 is: 27,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.96 : 41,699.43 = 19,606.68 : x
  2. Step 2: Convert to fraction form
    30,198.96/41,699.43 = 19,606.68/x
  3. Step 3: Cross multiply
    30,198.96x = 41,699.43 × 19,606.68
  4. Step 4: Simplify right side
    30,198.96x = 817,587,380.19
  5. Step 5: Solve for x
    x = 817,587,380.19/30,198.96
  6. Step 6: Final answer
    x = 27,073.36

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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.