Home / 29,433.56-40,611.20-18,674.51

Finding the Fourth Proportional to 29,433.56, 40,611.20 and 18,674.51

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Solution

The fourth proportional to 29,433.56, 40,611.20 and 18,674.51 is: 25,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,433.56 : 40,611.20 = 18,674.51 : x
  2. Step 2: Convert to fraction form
    29,433.56/40,611.20 = 18,674.51/x
  3. Step 3: Cross multiply
    29,433.56x = 40,611.20 × 18,674.51
  4. Step 4: Simplify right side
    29,433.56x = 758,393,964.08
  5. Step 5: Solve for x
    x = 758,393,964.08/29,433.56
  6. Step 6: Final answer
    x = 25,766.31

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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.