Home / 20,053.44-27,673.80-11,101.20

Finding the Fourth Proportional to 20,053.44, 27,673.80 and 11,101.20

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Solution

The fourth proportional to 20,053.44, 27,673.80 and 11,101.20 is: 15,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.44 : 27,673.80 = 11,101.20 : x
  2. Step 2: Convert to fraction form
    20,053.44/27,673.80 = 11,101.20/x
  3. Step 3: Cross multiply
    20,053.44x = 27,673.80 × 11,101.20
  4. Step 4: Simplify right side
    20,053.44x = 307,212,388.56
  5. Step 5: Solve for x
    x = 307,212,388.56/20,053.44
  6. Step 6: Final answer
    x = 15,319.69

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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.