Home / 22,263.28-30,723.19-12,191.54

Finding the Fourth Proportional to 22,263.28, 30,723.19 and 12,191.54

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Solution

The fourth proportional to 22,263.28, 30,723.19 and 12,191.54 is: 16,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,263.28 : 30,723.19 = 12,191.54 : x
  2. Step 2: Convert to fraction form
    22,263.28/30,723.19 = 12,191.54/x
  3. Step 3: Cross multiply
    22,263.28x = 30,723.19 × 12,191.54
  4. Step 4: Simplify right side
    22,263.28x = 374,562,815.72
  5. Step 5: Solve for x
    x = 374,562,815.72/22,263.28
  6. Step 6: Final answer
    x = 16,824.24

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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.