Home / 13,183.51-18,195.29-7,518.27

Finding the Fourth Proportional to 13,183.51, 18,195.29 and 7,518.27

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Solution

The fourth proportional to 13,183.51, 18,195.29 and 7,518.27 is: 10,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.51 : 18,195.29 = 7,518.27 : x
  2. Step 2: Convert to fraction form
    13,183.51/18,195.29 = 7,518.27/x
  3. Step 3: Cross multiply
    13,183.51x = 18,195.29 × 7,518.27
  4. Step 4: Simplify right side
    13,183.51x = 136,797,102.95
  5. Step 5: Solve for x
    x = 136,797,102.95/13,183.51
  6. Step 6: Final answer
    x = 10,376.38

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Half scale
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Double scale
Find fourth proportional to 13,184.51, 18,196.67 and 7,519.27
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.