Home / 18,000.19-26,997.54-6,912.10

Finding the Fourth Proportional to 18,000.19, 26,997.54 and 6,912.10

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Solution

The fourth proportional to 18,000.19, 26,997.54 and 6,912.10 is: 10,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.19 : 26,997.54 = 6,912.10 : x
  2. Step 2: Convert to fraction form
    18,000.19/26,997.54 = 6,912.10/x
  3. Step 3: Cross multiply
    18,000.19x = 26,997.54 × 6,912.10
  4. Step 4: Simplify right side
    18,000.19x = 186,609,628.74
  5. Step 5: Solve for x
    x = 186,609,628.74/18,000.19
  6. Step 6: Final answer
    x = 10,367.09

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Half scale
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Double scale
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Similar ratio
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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.