Home / 30,193.78-41,659.90-18,096.18

Finding the Fourth Proportional to 30,193.78, 41,659.90 and 18,096.18

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Solution

The fourth proportional to 30,193.78, 41,659.90 and 18,096.18 is: 24,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.78 : 41,659.90 = 18,096.18 : x
  2. Step 2: Convert to fraction form
    30,193.78/41,659.90 = 18,096.18/x
  3. Step 3: Cross multiply
    30,193.78x = 41,659.90 × 18,096.18
  4. Step 4: Simplify right side
    30,193.78x = 753,885,049.18
  5. Step 5: Solve for x
    x = 753,885,049.18/30,193.78
  6. Step 6: Final answer
    x = 24,968.22

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Half 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.