Home / 14,222.60-21,336.42-6,822.08

Finding the Fourth Proportional to 14,222.60, 21,336.42 and 6,822.08

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Solution

The fourth proportional to 14,222.60, 21,336.42 and 6,822.08 is: 10,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.60 : 21,336.42 = 6,822.08 : x
  2. Step 2: Convert to fraction form
    14,222.60/21,336.42 = 6,822.08/x
  3. Step 3: Cross multiply
    14,222.60x = 21,336.42 × 6,822.08
  4. Step 4: Simplify right side
    14,222.60x = 145,558,764.15
  5. Step 5: Solve for x
    x = 145,558,764.15/14,222.60
  6. Step 6: Final answer
    x = 10,234.33

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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.