Home / 13,961.12-19,266.48-7,673.36

Finding the Fourth Proportional to 13,961.12, 19,266.48 and 7,673.36

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Solution

The fourth proportional to 13,961.12, 19,266.48 and 7,673.36 is: 10,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.12 : 19,266.48 = 7,673.36 : x
  2. Step 2: Convert to fraction form
    13,961.12/19,266.48 = 7,673.36/x
  3. Step 3: Cross multiply
    13,961.12x = 19,266.48 × 7,673.36
  4. Step 4: Simplify right side
    13,961.12x = 147,838,636.97
  5. Step 5: Solve for x
    x = 147,838,636.97/13,961.12
  6. Step 6: Final answer
    x = 10,589.31

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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.