Home / 22,052.89-30,433.14-11,981.33

Finding the Fourth Proportional to 22,052.89, 30,433.14 and 11,981.33

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Solution

The fourth proportional to 22,052.89, 30,433.14 and 11,981.33 is: 16,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.89 : 30,433.14 = 11,981.33 : x
  2. Step 2: Convert to fraction form
    22,052.89/30,433.14 = 11,981.33/x
  3. Step 3: Cross multiply
    22,052.89x = 30,433.14 × 11,981.33
  4. Step 4: Simplify right side
    22,052.89x = 364,629,493.28
  5. Step 5: Solve for x
    x = 364,629,493.28/22,052.89
  6. Step 6: Final answer
    x = 16,534.32

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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.