Home / 18,674.44-25,765.20-11,116.96

Finding the Fourth Proportional to 18,674.44, 25,765.20 and 11,116.96

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Solution

The fourth proportional to 18,674.44, 25,765.20 and 11,116.96 is: 15,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.44 : 25,765.20 = 11,116.96 : x
  2. Step 2: Convert to fraction form
    18,674.44/25,765.20 = 11,116.96/x
  3. Step 3: Cross multiply
    18,674.44x = 25,765.20 × 11,116.96
  4. Step 4: Simplify right side
    18,674.44x = 286,430,697.79
  5. Step 5: Solve for x
    x = 286,430,697.79/18,674.44
  6. Step 6: Final answer
    x = 15,338.11

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Half scale
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Double scale
Find fourth proportional to 18,675.44, 25,766.58 and 11,117.96
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.