Home / 13,209.44-19,814.00-3,214.25

Finding the Fourth Proportional to 13,209.44, 19,814.00 and 3,214.25

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Solution

The fourth proportional to 13,209.44, 19,814.00 and 3,214.25 is: 4,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.44 : 19,814.00 = 3,214.25 : x
  2. Step 2: Convert to fraction form
    13,209.44/19,814.00 = 3,214.25/x
  3. Step 3: Cross multiply
    13,209.44x = 19,814.00 × 3,214.25
  4. Step 4: Simplify right side
    13,209.44x = 63,687,046.41
  5. Step 5: Solve for x
    x = 63,687,046.41/13,209.44
  6. Step 6: Final answer
    x = 4,821.33

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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.