Home / 20,053.51-27,673.44-11,100.49

Finding the Fourth Proportional to 20,053.51, 27,673.44 and 11,100.49

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Solution

The fourth proportional to 20,053.51, 27,673.44 and 11,100.49 is: 15,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.51 : 27,673.44 = 11,100.49 : x
  2. Step 2: Convert to fraction form
    20,053.51/27,673.44 = 11,100.49/x
  3. Step 3: Cross multiply
    20,053.51x = 27,673.44 × 11,100.49
  4. Step 4: Simplify right side
    20,053.51x = 307,188,605.62
  5. Step 5: Solve for x
    x = 307,188,605.62/20,053.51
  6. Step 6: Final answer
    x = 15,318.45

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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.