Home / 30,174.81-41,613.98-18,845.34

Finding the Fourth Proportional to 30,174.81, 41,613.98 and 18,845.34

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Solution

The fourth proportional to 30,174.81, 41,613.98 and 18,845.34 is: 25,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.81 : 41,613.98 = 18,845.34 : x
  2. Step 2: Convert to fraction form
    30,174.81/41,613.98 = 18,845.34/x
  3. Step 3: Cross multiply
    30,174.81x = 41,613.98 × 18,845.34
  4. Step 4: Simplify right side
    30,174.81x = 784,229,601.85
  5. Step 5: Solve for x
    x = 784,229,601.85/30,174.81
  6. Step 6: Final answer
    x = 25,989.55

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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.