Home / 18,697.38-25,814.34-11,633.37

Finding the Fourth Proportional to 18,697.38, 25,814.34 and 11,633.37

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Solution

The fourth proportional to 18,697.38, 25,814.34 and 11,633.37 is: 16,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697.38 : 25,814.34 = 11,633.37 : x
  2. Step 2: Convert to fraction form
    18,697.38/25,814.34 = 11,633.37/x
  3. Step 3: Cross multiply
    18,697.38x = 25,814.34 × 11,633.37
  4. Step 4: Simplify right side
    18,697.38x = 300,307,768.53
  5. Step 5: Solve for x
    x = 300,307,768.53/18,697.38
  6. Step 6: Final answer
    x = 16,061.49

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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.