Home / 16,186.96-22,339.38-9,114.76

Finding the Fourth Proportional to 16,186.96, 22,339.38 and 9,114.76

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Solution

The fourth proportional to 16,186.96, 22,339.38 and 9,114.76 is: 12,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,186.96 : 22,339.38 = 9,114.76 : x
  2. Step 2: Convert to fraction form
    16,186.96/22,339.38 = 9,114.76/x
  3. Step 3: Cross multiply
    16,186.96x = 22,339.38 × 9,114.76
  4. Step 4: Simplify right side
    16,186.96x = 203,618,087.25
  5. Step 5: Solve for x
    x = 203,618,087.25/16,186.96
  6. Step 6: Final answer
    x = 12,579.14

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Half scale
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Double scale
Find fourth proportional to 16,187.96, 22,340.76 and 9,115.76
Similar ratio
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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.