Home / 19,701.26-27,189.36-11,206.04

Finding the Fourth Proportional to 19,701.26, 27,189.36 and 11,206.04

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Solution

The fourth proportional to 19,701.26, 27,189.36 and 11,206.04 is: 15,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.26 : 27,189.36 = 11,206.04 : x
  2. Step 2: Convert to fraction form
    19,701.26/27,189.36 = 11,206.04/x
  3. Step 3: Cross multiply
    19,701.26x = 27,189.36 × 11,206.04
  4. Step 4: Simplify right side
    19,701.26x = 304,685,055.73
  5. Step 5: Solve for x
    x = 304,685,055.73/19,701.26
  6. Step 6: Final answer
    x = 15,465.26

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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.