Home / 20,053.98-27,674.73-11,102.31

Finding the Fourth Proportional to 20,053.98, 27,674.73 and 11,102.31

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Solution

The fourth proportional to 20,053.98, 27,674.73 and 11,102.31 is: 15,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.98 : 27,674.73 = 11,102.31 : x
  2. Step 2: Convert to fraction form
    20,053.98/27,674.73 = 11,102.31/x
  3. Step 3: Cross multiply
    20,053.98x = 27,674.73 × 11,102.31
  4. Step 4: Simplify right side
    20,053.98x = 307,253,431.63
  5. Step 5: Solve for x
    x = 307,253,431.63/20,053.98
  6. Step 6: Final answer
    x = 15,321.32

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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.