Home / 22,256.56-30,712.92-12,183.16

Finding the Fourth Proportional to 22,256.56, 30,712.92 and 12,183.16

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Solution

The fourth proportional to 22,256.56, 30,712.92 and 12,183.16 is: 16,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.56 : 30,712.92 = 12,183.16 : x
  2. Step 2: Convert to fraction form
    22,256.56/30,712.92 = 12,183.16/x
  3. Step 3: Cross multiply
    22,256.56x = 30,712.92 × 12,183.16
  4. Step 4: Simplify right side
    22,256.56x = 374,180,418.43
  5. Step 5: Solve for x
    x = 374,180,418.43/22,256.56
  6. Step 6: Final answer
    x = 16,812.14

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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.