Home / 26,909.13-40,372.34-8,192.79

Finding the Fourth Proportional to 26,909.13, 40,372.34 and 8,192.79

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Solution

The fourth proportional to 26,909.13, 40,372.34 and 8,192.79 is: 12,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.13 : 40,372.34 = 8,192.79 : x
  2. Step 2: Convert to fraction form
    26,909.13/40,372.34 = 8,192.79/x
  3. Step 3: Cross multiply
    26,909.13x = 40,372.34 × 8,192.79
  4. Step 4: Simplify right side
    26,909.13x = 330,762,103.43
  5. Step 5: Solve for x
    x = 330,762,103.43/26,909.13
  6. Step 6: Final answer
    x = 12,291.82

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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.