Home / 33,205.49-45,818.30-18,666.80

Finding the Fourth Proportional to 33,205.49, 45,818.30 and 18,666.80

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Solution

The fourth proportional to 33,205.49, 45,818.30 and 18,666.80 is: 25,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,205.49 : 45,818.30 = 18,666.80 : x
  2. Step 2: Convert to fraction form
    33,205.49/45,818.30 = 18,666.80/x
  3. Step 3: Cross multiply
    33,205.49x = 45,818.30 × 18,666.80
  4. Step 4: Simplify right side
    33,205.49x = 855,280,860.02
  5. Step 5: Solve for x
    x = 855,280,860.02/33,205.49
  6. Step 6: Final answer
    x = 25,757.22

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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.