Home / 13,954.67-19,257.60-7,985.97

Finding the Fourth Proportional to 13,954.67, 19,257.60 and 7,985.97

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Solution

The fourth proportional to 13,954.67, 19,257.60 and 7,985.97 is: 11,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.67 : 19,257.60 = 7,985.97 : x
  2. Step 2: Convert to fraction form
    13,954.67/19,257.60 = 7,985.97/x
  3. Step 3: Cross multiply
    13,954.67x = 19,257.60 × 7,985.97
  4. Step 4: Simplify right side
    13,954.67x = 153,790,615.87
  5. Step 5: Solve for x
    x = 153,790,615.87/13,954.67
  6. Step 6: Final answer
    x = 11,020.73

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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.