Home / 20,102.98-27,743.37-11,606.66

Finding the Fourth Proportional to 20,102.98, 27,743.37 and 11,606.66

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Solution

The fourth proportional to 20,102.98, 27,743.37 and 11,606.66 is: 16,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102.98 : 27,743.37 = 11,606.66 : x
  2. Step 2: Convert to fraction form
    20,102.98/27,743.37 = 11,606.66/x
  3. Step 3: Cross multiply
    20,102.98x = 27,743.37 × 11,606.66
  4. Step 4: Simplify right side
    20,102.98x = 322,007,739.26
  5. Step 5: Solve for x
    x = 322,007,739.26/20,102.98
  6. Step 6: Final answer
    x = 16,017.91

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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.