Home / 14,245.66-21,377.40-5,481.46

Finding the Fourth Proportional to 14,245.66, 21,377.40 and 5,481.46

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Solution

The fourth proportional to 14,245.66, 21,377.40 and 5,481.46 is: 8,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.66 : 21,377.40 = 5,481.46 : x
  2. Step 2: Convert to fraction form
    14,245.66/21,377.40 = 5,481.46/x
  3. Step 3: Cross multiply
    14,245.66x = 21,377.40 × 5,481.46
  4. Step 4: Simplify right side
    14,245.66x = 117,179,363.00
  5. Step 5: Solve for x
    x = 117,179,363.00/14,245.66
  6. Step 6: Final answer
    x = 8,225.62

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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.