Home / 22,021.24-33,023.40-7,977.13

Finding the Fourth Proportional to 22,021.24, 33,023.40 and 7,977.13

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Solution

The fourth proportional to 22,021.24, 33,023.40 and 7,977.13 is: 11,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.24 : 33,023.40 = 7,977.13 : x
  2. Step 2: Convert to fraction form
    22,021.24/33,023.40 = 7,977.13/x
  3. Step 3: Cross multiply
    22,021.24x = 33,023.40 × 7,977.13
  4. Step 4: Simplify right side
    22,021.24x = 263,431,954.84
  5. Step 5: Solve for x
    x = 263,431,954.84/22,021.24
  6. Step 6: Final answer
    x = 11,962.63

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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.