Home / 18,118.62-24,992.19-13,090.23

Finding the Fourth Proportional to 18,118.62, 24,992.19 and 13,090.23

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Solution

The fourth proportional to 18,118.62, 24,992.19 and 13,090.23 is: 18,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.62 : 24,992.19 = 13,090.23 : x
  2. Step 2: Convert to fraction form
    18,118.62/24,992.19 = 13,090.23/x
  3. Step 3: Cross multiply
    18,118.62x = 24,992.19 × 13,090.23
  4. Step 4: Simplify right side
    18,118.62x = 327,153,515.30
  5. Step 5: Solve for x
    x = 327,153,515.30/18,118.62
  6. Step 6: Final answer
    x = 18,056.20

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Half scale
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Double scale
Find fourth proportional to 18,119.62, 24,993.57 and 13,091.23
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.