Home / 16,817.12-23,183.38-11,765.69

Finding the Fourth Proportional to 16,817.12, 23,183.38 and 11,765.69

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Solution

The fourth proportional to 16,817.12, 23,183.38 and 11,765.69 is: 16,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.12 : 23,183.38 = 11,765.69 : x
  2. Step 2: Convert to fraction form
    16,817.12/23,183.38 = 11,765.69/x
  3. Step 3: Cross multiply
    16,817.12x = 23,183.38 × 11,765.69
  4. Step 4: Simplify right side
    16,817.12x = 272,768,462.23
  5. Step 5: Solve for x
    x = 272,768,462.23/16,817.12
  6. Step 6: Final answer
    x = 16,219.69

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Half scale
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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.