Home / 13,968.44-20,952.49-5,648.39

Finding the Fourth Proportional to 13,968.44, 20,952.49 and 5,648.39

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Solution

The fourth proportional to 13,968.44, 20,952.49 and 5,648.39 is: 8,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.44 : 20,952.49 = 5,648.39 : x
  2. Step 2: Convert to fraction form
    13,968.44/20,952.49 = 5,648.39/x
  3. Step 3: Cross multiply
    13,968.44x = 20,952.49 × 5,648.39
  4. Step 4: Simplify right side
    13,968.44x = 118,347,834.99
  5. Step 5: Solve for x
    x = 118,347,834.99/13,968.44
  6. Step 6: Final answer
    x = 8,472.52

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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.