Home / 14,192.21-21,288.32-4,331.54

Finding the Fourth Proportional to 14,192.21, 21,288.32 and 4,331.54

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Solution

The fourth proportional to 14,192.21, 21,288.32 and 4,331.54 is: 6,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.21 : 21,288.32 = 4,331.54 : x
  2. Step 2: Convert to fraction form
    14,192.21/21,288.32 = 4,331.54/x
  3. Step 3: Cross multiply
    14,192.21x = 21,288.32 × 4,331.54
  4. Step 4: Simplify right side
    14,192.21x = 92,211,187.96
  5. Step 5: Solve for x
    x = 92,211,187.96/14,192.21
  6. Step 6: Final answer
    x = 6,497.31

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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.