Home / 20,045.19-27,661.97-11,093.07

Finding the Fourth Proportional to 20,045.19, 27,661.97 and 11,093.07

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Solution

The fourth proportional to 20,045.19, 27,661.97 and 11,093.07 is: 15,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.19 : 27,661.97 = 11,093.07 : x
  2. Step 2: Convert to fraction form
    20,045.19/27,661.97 = 11,093.07/x
  3. Step 3: Cross multiply
    20,045.19x = 27,661.97 × 11,093.07
  4. Step 4: Simplify right side
    20,045.19x = 306,856,301.01
  5. Step 5: Solve for x
    x = 306,856,301.01/20,045.19
  6. Step 6: Final answer
    x = 15,308.22

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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.