Home / 13,200.03-19,798.20-3,338.70

Finding the Fourth Proportional to 13,200.03, 19,798.20 and 3,338.70

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Solution

The fourth proportional to 13,200.03, 19,798.20 and 3,338.70 is: 5,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.03 : 19,798.20 = 3,338.70 : x
  2. Step 2: Convert to fraction form
    13,200.03/19,798.20 = 3,338.70/x
  3. Step 3: Cross multiply
    13,200.03x = 19,798.20 × 3,338.70
  4. Step 4: Simplify right side
    13,200.03x = 66,100,250.34
  5. Step 5: Solve for x
    x = 66,100,250.34/13,200.03
  6. Step 6: Final answer
    x = 5,007.58

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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.