Home / 13,184.48-18,194.24-7,216.18

Finding the Fourth Proportional to 13,184.48, 18,194.24 and 7,216.18

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Solution

The fourth proportional to 13,184.48, 18,194.24 and 7,216.18 is: 9,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.48 : 18,194.24 = 7,216.18 : x
  2. Step 2: Convert to fraction form
    13,184.48/18,194.24 = 7,216.18/x
  3. Step 3: Cross multiply
    13,184.48x = 18,194.24 × 7,216.18
  4. Step 4: Simplify right side
    13,184.48x = 131,292,910.80
  5. Step 5: Solve for x
    x = 131,292,910.80/13,184.48
  6. Step 6: Final answer
    x = 9,958.14

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Half scale
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Double scale
Find fourth proportional to 13,185.48, 18,195.62 and 7,217.18
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.