Home / 22,431.24-33,645.83-8,390.25

Finding the Fourth Proportional to 22,431.24, 33,645.83 and 8,390.25

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Solution

The fourth proportional to 22,431.24, 33,645.83 and 8,390.25 is: 12,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,431.24 : 33,645.83 = 8,390.25 : x
  2. Step 2: Convert to fraction form
    22,431.24/33,645.83 = 8,390.25/x
  3. Step 3: Cross multiply
    22,431.24x = 33,645.83 × 8,390.25
  4. Step 4: Simplify right side
    22,431.24x = 282,296,883.21
  5. Step 5: Solve for x
    x = 282,296,883.21/22,431.24
  6. Step 6: Final answer
    x = 12,584.99

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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.