Home / 18,861.16-28,252.86-11,046.28

Finding the Fourth Proportional to 18,861.16, 28,252.86 and 11,046.28

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Solution

The fourth proportional to 18,861.16, 28,252.86 and 11,046.28 is: 16,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.16 : 28,252.86 = 11,046.28 : x
  2. Step 2: Convert to fraction form
    18,861.16/28,252.86 = 11,046.28/x
  3. Step 3: Cross multiply
    18,861.16x = 28,252.86 × 11,046.28
  4. Step 4: Simplify right side
    18,861.16x = 312,089,002.36
  5. Step 5: Solve for x
    x = 312,089,002.36/18,861.16
  6. Step 6: Final answer
    x = 16,546.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.