Home / 13,200.62-19,800.75-4,434.26

Finding the Fourth Proportional to 13,200.62, 19,800.75 and 4,434.26

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Solution

The fourth proportional to 13,200.62, 19,800.75 and 4,434.26 is: 6,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.62 : 19,800.75 = 4,434.26 : x
  2. Step 2: Convert to fraction form
    13,200.62/19,800.75 = 4,434.26/x
  3. Step 3: Cross multiply
    13,200.62x = 19,800.75 × 4,434.26
  4. Step 4: Simplify right side
    13,200.62x = 87,801,673.70
  5. Step 5: Solve for x
    x = 87,801,673.70/13,200.62
  6. Step 6: Final answer
    x = 6,651.33

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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.