Home / 22,120.26-33,102.43-13,804.19

Finding the Fourth Proportional to 22,120.26, 33,102.43 and 13,804.19

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Solution

The fourth proportional to 22,120.26, 33,102.43 and 13,804.19 is: 20,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.26 : 33,102.43 = 13,804.19 : x
  2. Step 2: Convert to fraction form
    22,120.26/33,102.43 = 13,804.19/x
  3. Step 3: Cross multiply
    22,120.26x = 33,102.43 × 13,804.19
  4. Step 4: Simplify right side
    22,120.26x = 456,952,233.18
  5. Step 5: Solve for x
    x = 456,952,233.18/22,120.26
  6. Step 6: Final answer
    x = 20,657.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.