Home / 20,053.36-27,669.56-11,100.23

Finding the Fourth Proportional to 20,053.36, 27,669.56 and 11,100.23

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Solution

The fourth proportional to 20,053.36, 27,669.56 and 11,100.23 is: 15,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.36 : 27,669.56 = 11,100.23 : x
  2. Step 2: Convert to fraction form
    20,053.36/27,669.56 = 11,100.23/x
  3. Step 3: Cross multiply
    20,053.36x = 27,669.56 × 11,100.23
  4. Step 4: Simplify right side
    20,053.36x = 307,138,480.00
  5. Step 5: Solve for x
    x = 307,138,480.00/20,053.36
  6. Step 6: Final answer
    x = 15,316.06

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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.