Home / 26,913.72-40,370.67-8,193.90

Finding the Fourth Proportional to 26,913.72, 40,370.67 and 8,193.90

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Solution

The fourth proportional to 26,913.72, 40,370.67 and 8,193.90 is: 12,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.72 : 40,370.67 = 8,193.90 : x
  2. Step 2: Convert to fraction form
    26,913.72/40,370.67 = 8,193.90/x
  3. Step 3: Cross multiply
    26,913.72x = 40,370.67 × 8,193.90
  4. Step 4: Simplify right side
    26,913.72x = 330,793,232.91
  5. Step 5: Solve for x
    x = 330,793,232.91/26,913.72
  6. Step 6: Final answer
    x = 12,290.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.