Home / 22,236.28-30,684.91-12,162.76

Finding the Fourth Proportional to 22,236.28, 30,684.91 and 12,162.76

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Solution

The fourth proportional to 22,236.28, 30,684.91 and 12,162.76 is: 16,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.28 : 30,684.91 = 12,162.76 : x
  2. Step 2: Convert to fraction form
    22,236.28/30,684.91 = 12,162.76/x
  3. Step 3: Cross multiply
    22,236.28x = 30,684.91 × 12,162.76
  4. Step 4: Simplify right side
    22,236.28x = 373,213,195.95
  5. Step 5: Solve for x
    x = 373,213,195.95/22,236.28
  6. Step 6: Final answer
    x = 16,783.98

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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.