Home / 20,069.67-30,110.45-6,923.37

Finding the Fourth Proportional to 20,069.67, 30,110.45 and 6,923.37

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Solution

The fourth proportional to 20,069.67, 30,110.45 and 6,923.37 is: 10,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.67 : 30,110.45 = 6,923.37 : x
  2. Step 2: Convert to fraction form
    20,069.67/30,110.45 = 6,923.37/x
  3. Step 3: Cross multiply
    20,069.67x = 30,110.45 × 6,923.37
  4. Step 4: Simplify right side
    20,069.67x = 208,465,751.60
  5. Step 5: Solve for x
    x = 208,465,751.60/20,069.67
  6. Step 6: Final answer
    x = 10,387.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.