Home / 20,024.18-27,633.71-11,640.68

Finding the Fourth Proportional to 20,024.18, 27,633.71 and 11,640.68

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Solution

The fourth proportional to 20,024.18, 27,633.71 and 11,640.68 is: 16,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.18 : 27,633.71 = 11,640.68 : x
  2. Step 2: Convert to fraction form
    20,024.18/27,633.71 = 11,640.68/x
  3. Step 3: Cross multiply
    20,024.18x = 27,633.71 × 11,640.68
  4. Step 4: Simplify right side
    20,024.18x = 321,675,175.32
  5. Step 5: Solve for x
    x = 321,675,175.32/20,024.18
  6. Step 6: Final answer
    x = 16,064.34

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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.