Home / 29,113.96-40,178.34-16,540.84

Finding the Fourth Proportional to 29,113.96, 40,178.34 and 16,540.84

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Solution

The fourth proportional to 29,113.96, 40,178.34 and 16,540.84 is: 22,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,113.96 : 40,178.34 = 16,540.84 : x
  2. Step 2: Convert to fraction form
    29,113.96/40,178.34 = 16,540.84/x
  3. Step 3: Cross multiply
    29,113.96x = 40,178.34 × 16,540.84
  4. Step 4: Simplify right side
    29,113.96x = 664,583,493.41
  5. Step 5: Solve for x
    x = 664,583,493.41/29,113.96
  6. Step 6: Final answer
    x = 22,826.97

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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.