Home / 30,163.12-41,597.83-18,833.65

Finding the Fourth Proportional to 30,163.12, 41,597.83 and 18,833.65

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Solution

The fourth proportional to 30,163.12, 41,597.83 and 18,833.65 is: 25,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.12 : 41,597.83 = 18,833.65 : x
  2. Step 2: Convert to fraction form
    30,163.12/41,597.83 = 18,833.65/x
  3. Step 3: Cross multiply
    30,163.12x = 41,597.83 × 18,833.65
  4. Step 4: Simplify right side
    30,163.12x = 783,438,970.98
  5. Step 5: Solve for x
    x = 783,438,970.98/30,163.12
  6. Step 6: Final answer
    x = 25,973.41

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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.