Home / 13,282.14-19,868.49-11,802.30

Finding the Fourth Proportional to 13,282.14, 19,868.49 and 11,802.30

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Solution

The fourth proportional to 13,282.14, 19,868.49 and 11,802.30 is: 17,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.14 : 19,868.49 = 11,802.30 : x
  2. Step 2: Convert to fraction form
    13,282.14/19,868.49 = 11,802.30/x
  3. Step 3: Cross multiply
    13,282.14x = 19,868.49 × 11,802.30
  4. Step 4: Simplify right side
    13,282.14x = 234,493,879.53
  5. Step 5: Solve for x
    x = 234,493,879.53/13,282.14
  6. Step 6: Final answer
    x = 17,654.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.