Home / 14,321.49-21,481.38-4,459.38

Finding the Fourth Proportional to 14,321.49, 21,481.38 and 4,459.38

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Solution

The fourth proportional to 14,321.49, 21,481.38 and 4,459.38 is: 6,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.49 : 21,481.38 = 4,459.38 : x
  2. Step 2: Convert to fraction form
    14,321.49/21,481.38 = 4,459.38/x
  3. Step 3: Cross multiply
    14,321.49x = 21,481.38 × 4,459.38
  4. Step 4: Simplify right side
    14,321.49x = 95,793,636.34
  5. Step 5: Solve for x
    x = 95,793,636.34/14,321.49
  6. Step 6: Final answer
    x = 6,688.80

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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.