Home / 19,698.94-27,189.71-11,206.05

Finding the Fourth Proportional to 19,698.94, 27,189.71 and 11,206.05

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Solution

The fourth proportional to 19,698.94, 27,189.71 and 11,206.05 is: 15,467.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.94 : 27,189.71 = 11,206.05 : x
  2. Step 2: Convert to fraction form
    19,698.94/27,189.71 = 11,206.05/x
  3. Step 3: Cross multiply
    19,698.94x = 27,189.71 × 11,206.05
  4. Step 4: Simplify right side
    19,698.94x = 304,689,249.75
  5. Step 5: Solve for x
    x = 304,689,249.75/19,698.94
  6. Step 6: Final answer
    x = 15,467.29

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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.