Home / 22,236.78-30,685.60-12,163.26

Finding the Fourth Proportional to 22,236.78, 30,685.60 and 12,163.26

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Solution

The fourth proportional to 22,236.78, 30,685.60 and 12,163.26 is: 16,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.78 : 30,685.60 = 12,163.26 : x
  2. Step 2: Convert to fraction form
    22,236.78/30,685.60 = 12,163.26/x
  3. Step 3: Cross multiply
    22,236.78x = 30,685.60 × 12,163.26
  4. Step 4: Simplify right side
    22,236.78x = 373,236,931.06
  5. Step 5: Solve for x
    x = 373,236,931.06/22,236.78
  6. Step 6: Final answer
    x = 16,784.67

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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.