Home / 20,023.93-27,633.36-11,640.43

Finding the Fourth Proportional to 20,023.93, 27,633.36 and 11,640.43

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Solution

The fourth proportional to 20,023.93, 27,633.36 and 11,640.43 is: 16,063.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.93 : 27,633.36 = 11,640.43 : x
  2. Step 2: Convert to fraction form
    20,023.93/27,633.36 = 11,640.43/x
  3. Step 3: Cross multiply
    20,023.93x = 27,633.36 × 11,640.43
  4. Step 4: Simplify right side
    20,023.93x = 321,664,192.74
  5. Step 5: Solve for x
    x = 321,664,192.74/20,023.93
  6. Step 6: Final answer
    x = 16,063.99

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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.