Home / 13,922.44-19,214.19-7,636.03

Finding the Fourth Proportional to 13,922.44, 19,214.19 and 7,636.03

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Solution

The fourth proportional to 13,922.44, 19,214.19 and 7,636.03 is: 10,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.44 : 19,214.19 = 7,636.03 : x
  2. Step 2: Convert to fraction form
    13,922.44/19,214.19 = 7,636.03/x
  3. Step 3: Cross multiply
    13,922.44x = 19,214.19 × 7,636.03
  4. Step 4: Simplify right side
    13,922.44x = 146,720,083.23
  5. Step 5: Solve for x
    x = 146,720,083.23/13,922.44
  6. Step 6: Final answer
    x = 10,538.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.