Home / 33,218.10-45,841.14-19,786.68

Finding the Fourth Proportional to 33,218.10, 45,841.14 and 19,786.68

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Solution

The fourth proportional to 33,218.10, 45,841.14 and 19,786.68 is: 27,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.10 : 45,841.14 = 19,786.68 : x
  2. Step 2: Convert to fraction form
    33,218.10/45,841.14 = 19,786.68/x
  3. Step 3: Cross multiply
    33,218.10x = 45,841.14 × 19,786.68
  4. Step 4: Simplify right side
    33,218.10x = 907,043,968.02
  5. Step 5: Solve for x
    x = 907,043,968.02/33,218.10
  6. Step 6: Final answer
    x = 27,305.71

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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.