Home / 20,060.73-27,682.83-11,108.07

Finding the Fourth Proportional to 20,060.73, 27,682.83 and 11,108.07

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Solution

The fourth proportional to 20,060.73, 27,682.83 and 11,108.07 is: 15,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.73 : 27,682.83 = 11,108.07 : x
  2. Step 2: Convert to fraction form
    20,060.73/27,682.83 = 11,108.07/x
  3. Step 3: Cross multiply
    20,060.73x = 27,682.83 × 11,108.07
  4. Step 4: Simplify right side
    20,060.73x = 307,502,813.44
  5. Step 5: Solve for x
    x = 307,502,813.44/20,060.73
  6. Step 6: Final answer
    x = 15,328.60

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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.