Home / 16,213.96-22,374.84-9,140.23

Finding the Fourth Proportional to 16,213.96, 22,374.84 and 9,140.23

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Solution

The fourth proportional to 16,213.96, 22,374.84 and 9,140.23 is: 12,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.96 : 22,374.84 = 9,140.23 : x
  2. Step 2: Convert to fraction form
    16,213.96/22,374.84 = 9,140.23/x
  3. Step 3: Cross multiply
    16,213.96x = 22,374.84 × 9,140.23
  4. Step 4: Simplify right side
    16,213.96x = 204,511,183.81
  5. Step 5: Solve for x
    x = 204,511,183.81/16,213.96
  6. Step 6: Final answer
    x = 12,613.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.