Home / 22,279.99-30,745.58-12,208.32

Finding the Fourth Proportional to 22,279.99, 30,745.58 and 12,208.32

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Solution

The fourth proportional to 22,279.99, 30,745.58 and 12,208.32 is: 16,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.99 : 30,745.58 = 12,208.32 : x
  2. Step 2: Convert to fraction form
    22,279.99/30,745.58 = 12,208.32/x
  3. Step 3: Cross multiply
    22,279.99x = 30,745.58 × 12,208.32
  4. Step 4: Simplify right side
    22,279.99x = 375,351,818.18
  5. Step 5: Solve for x
    x = 375,351,818.18/22,279.99
  6. Step 6: Final answer
    x = 16,847.04

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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.