Home / 19,200.39-28,793.66-7,357.49

Finding the Fourth Proportional to 19,200.39, 28,793.66 and 7,357.49

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Solution

The fourth proportional to 19,200.39, 28,793.66 and 7,357.49 is: 11,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.39 : 28,793.66 = 7,357.49 : x
  2. Step 2: Convert to fraction form
    19,200.39/28,793.66 = 7,357.49/x
  3. Step 3: Cross multiply
    19,200.39x = 28,793.66 × 7,357.49
  4. Step 4: Simplify right side
    19,200.39x = 211,848,884.76
  5. Step 5: Solve for x
    x = 211,848,884.76/19,200.39
  6. Step 6: Final answer
    x = 11,033.57

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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.