Home / 26,682.66-39,992.18-12,432.02

Finding the Fourth Proportional to 26,682.66, 39,992.18 and 12,432.02

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Solution

The fourth proportional to 26,682.66, 39,992.18 and 12,432.02 is: 18,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,682.66 : 39,992.18 = 12,432.02 : x
  2. Step 2: Convert to fraction form
    26,682.66/39,992.18 = 12,432.02/x
  3. Step 3: Cross multiply
    26,682.66x = 39,992.18 × 12,432.02
  4. Step 4: Simplify right side
    26,682.66x = 497,183,581.60
  5. Step 5: Solve for x
    x = 497,183,581.60/26,682.66
  6. Step 6: Final answer
    x = 18,633.21

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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.