Home / 14,231.72-21,336.60-5,346.86

Finding the Fourth Proportional to 14,231.72, 21,336.60 and 5,346.86

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Solution

The fourth proportional to 14,231.72, 21,336.60 and 5,346.86 is: 8,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.72 : 21,336.60 = 5,346.86 : x
  2. Step 2: Convert to fraction form
    14,231.72/21,336.60 = 5,346.86/x
  3. Step 3: Cross multiply
    14,231.72x = 21,336.60 × 5,346.86
  4. Step 4: Simplify right side
    14,231.72x = 114,083,706.39
  5. Step 5: Solve for x
    x = 114,083,706.39/14,231.72
  6. Step 6: Final answer
    x = 8,016.16

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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.