Home / 13,984.19-19,298.65-8,016.99

Finding the Fourth Proportional to 13,984.19, 19,298.65 and 8,016.99

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Solution

The fourth proportional to 13,984.19, 19,298.65 and 8,016.99 is: 11,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.19 : 19,298.65 = 8,016.99 : x
  2. Step 2: Convert to fraction form
    13,984.19/19,298.65 = 8,016.99/x
  3. Step 3: Cross multiply
    13,984.19x = 19,298.65 × 8,016.99
  4. Step 4: Simplify right side
    13,984.19x = 154,717,092.69
  5. Step 5: Solve for x
    x = 154,717,092.69/13,984.19
  6. Step 6: Final answer
    x = 11,063.71

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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.