Home / 33,280.73-45,926.80-18,172.98

Finding the Fourth Proportional to 33,280.73, 45,926.80 and 18,172.98

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Solution

The fourth proportional to 33,280.73, 45,926.80 and 18,172.98 is: 25,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,280.73 : 45,926.80 = 18,172.98 : x
  2. Step 2: Convert to fraction form
    33,280.73/45,926.80 = 18,172.98/x
  3. Step 3: Cross multiply
    33,280.73x = 45,926.80 × 18,172.98
  4. Step 4: Simplify right side
    33,280.73x = 834,626,772.43
  5. Step 5: Solve for x
    x = 834,626,772.43/33,280.73
  6. Step 6: Final answer
    x = 25,078.38

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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.