Home / 22,062.07-30,445.62-11,990.48

Finding the Fourth Proportional to 22,062.07, 30,445.62 and 11,990.48

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Solution

The fourth proportional to 22,062.07, 30,445.62 and 11,990.48 is: 16,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,062.07 : 30,445.62 = 11,990.48 : x
  2. Step 2: Convert to fraction form
    22,062.07/30,445.62 = 11,990.48/x
  3. Step 3: Cross multiply
    22,062.07x = 30,445.62 × 11,990.48
  4. Step 4: Simplify right side
    22,062.07x = 365,057,597.70
  5. Step 5: Solve for x
    x = 365,057,597.70/22,062.07
  6. Step 6: Final answer
    x = 16,546.84

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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.