Home / 14,270.46-19,693.30-7,982.84

Finding the Fourth Proportional to 14,270.46, 19,693.30 and 7,982.84

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Solution

The fourth proportional to 14,270.46, 19,693.30 and 7,982.84 is: 11,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.46 : 19,693.30 = 7,982.84 : x
  2. Step 2: Convert to fraction form
    14,270.46/19,693.30 = 7,982.84/x
  3. Step 3: Cross multiply
    14,270.46x = 19,693.30 × 7,982.84
  4. Step 4: Simplify right side
    14,270.46x = 157,208,462.97
  5. Step 5: Solve for x
    x = 157,208,462.97/14,270.46
  6. Step 6: Final answer
    x = 11,016.36

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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.