Home / 22,120.09-33,179.73-5,480.16

Finding the Fourth Proportional to 22,120.09, 33,179.73 and 5,480.16

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Solution

The fourth proportional to 22,120.09, 33,179.73 and 5,480.16 is: 8,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.09 : 33,179.73 = 5,480.16 : x
  2. Step 2: Convert to fraction form
    22,120.09/33,179.73 = 5,480.16/x
  3. Step 3: Cross multiply
    22,120.09x = 33,179.73 × 5,480.16
  4. Step 4: Simplify right side
    22,120.09x = 181,830,084.18
  5. Step 5: Solve for x
    x = 181,830,084.18/22,120.09
  6. Step 6: Final answer
    x = 8,220.13

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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.