Home / 18,020.36-24,861.50-11,303.54

Finding the Fourth Proportional to 18,020.36, 24,861.50 and 11,303.54

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Solution

The fourth proportional to 18,020.36, 24,861.50 and 11,303.54 is: 15,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.36 : 24,861.50 = 11,303.54 : x
  2. Step 2: Convert to fraction form
    18,020.36/24,861.50 = 11,303.54/x
  3. Step 3: Cross multiply
    18,020.36x = 24,861.50 × 11,303.54
  4. Step 4: Simplify right side
    18,020.36x = 281,022,778.88
  5. Step 5: Solve for x
    x = 281,022,778.88/18,020.36
  6. Step 6: Final answer
    x = 15,594.74

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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.