Home / 20,093.36-27,730.22-11,141.69

Finding the Fourth Proportional to 20,093.36, 27,730.22 and 11,141.69

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Solution

The fourth proportional to 20,093.36, 27,730.22 and 11,141.69 is: 15,376.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.36 : 27,730.22 = 11,141.69 : x
  2. Step 2: Convert to fraction form
    20,093.36/27,730.22 = 11,141.69/x
  3. Step 3: Cross multiply
    20,093.36x = 27,730.22 × 11,141.69
  4. Step 4: Simplify right side
    20,093.36x = 308,961,320.51
  5. Step 5: Solve for x
    x = 308,961,320.51/20,093.36
  6. Step 6: Final answer
    x = 15,376.29

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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.