Home / 33,325.80-45,990.84-18,219.47

Finding the Fourth Proportional to 33,325.80, 45,990.84 and 18,219.47

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Solution

The fourth proportional to 33,325.80, 45,990.84 and 18,219.47 is: 25,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,325.80 : 45,990.84 = 18,219.47 : x
  2. Step 2: Convert to fraction form
    33,325.80/45,990.84 = 18,219.47/x
  3. Step 3: Cross multiply
    33,325.80x = 45,990.84 × 18,219.47
  4. Step 4: Simplify right side
    33,325.80x = 837,928,729.65
  5. Step 5: Solve for x
    x = 837,928,729.65/33,325.80
  6. Step 6: Final answer
    x = 25,143.54

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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.