Home / 20,200.03-30,313.88-7,052.39

Finding the Fourth Proportional to 20,200.03, 30,313.88 and 7,052.39

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Solution

The fourth proportional to 20,200.03, 30,313.88 and 7,052.39 is: 10,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.03 : 30,313.88 = 7,052.39 : x
  2. Step 2: Convert to fraction form
    20,200.03/30,313.88 = 7,052.39/x
  3. Step 3: Cross multiply
    20,200.03x = 30,313.88 × 7,052.39
  4. Step 4: Simplify right side
    20,200.03x = 213,785,397.59
  5. Step 5: Solve for x
    x = 213,785,397.59/20,200.03
  6. Step 6: Final answer
    x = 10,583.42

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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.