Home / 29,474.28-40,659.30-18,276.84

Finding the Fourth Proportional to 29,474.28, 40,659.30 and 18,276.84

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Solution

The fourth proportional to 29,474.28, 40,659.30 and 18,276.84 is: 25,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,474.28 : 40,659.30 = 18,276.84 : x
  2. Step 2: Convert to fraction form
    29,474.28/40,659.30 = 18,276.84/x
  3. Step 3: Cross multiply
    29,474.28x = 40,659.30 × 18,276.84
  4. Step 4: Simplify right side
    29,474.28x = 743,123,520.61
  5. Step 5: Solve for x
    x = 743,123,520.61/29,474.28
  6. Step 6: Final answer
    x = 25,212.61

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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.