Home / 30,157.01-41,589.42-18,827.54

Finding the Fourth Proportional to 30,157.01, 41,589.42 and 18,827.54

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Solution

The fourth proportional to 30,157.01, 41,589.42 and 18,827.54 is: 25,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.01 : 41,589.42 = 18,827.54 : x
  2. Step 2: Convert to fraction form
    30,157.01/41,589.42 = 18,827.54/x
  3. Step 3: Cross multiply
    30,157.01x = 41,589.42 × 18,827.54
  4. Step 4: Simplify right side
    30,157.01x = 783,026,504.89
  5. Step 5: Solve for x
    x = 783,026,504.89/30,157.01
  6. Step 6: Final answer
    x = 25,964.99

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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.