Home / 22,360.58-30,857.96-12,800.43

Finding the Fourth Proportional to 22,360.58, 30,857.96 and 12,800.43

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Solution

The fourth proportional to 22,360.58, 30,857.96 and 12,800.43 is: 17,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.58 : 30,857.96 = 12,800.43 : x
  2. Step 2: Convert to fraction form
    22,360.58/30,857.96 = 12,800.43/x
  3. Step 3: Cross multiply
    22,360.58x = 30,857.96 × 12,800.43
  4. Step 4: Simplify right side
    22,360.58x = 394,995,188.92
  5. Step 5: Solve for x
    x = 394,995,188.92/22,360.58
  6. Step 6: Final answer
    x = 17,664.80

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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.