Home / 13,982.75-19,296.20-7,694.99

Finding the Fourth Proportional to 13,982.75, 19,296.20 and 7,694.99

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Solution

The fourth proportional to 13,982.75, 19,296.20 and 7,694.99 is: 10,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.75 : 19,296.20 = 7,694.99 : x
  2. Step 2: Convert to fraction form
    13,982.75/19,296.20 = 7,694.99/x
  3. Step 3: Cross multiply
    13,982.75x = 19,296.20 × 7,694.99
  4. Step 4: Simplify right side
    13,982.75x = 148,484,066.04
  5. Step 5: Solve for x
    x = 148,484,066.04/13,982.75
  6. Step 6: Final answer
    x = 10,619.09

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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.