Home / 26,900.19-40,349.90-12,098.61

Finding the Fourth Proportional to 26,900.19, 40,349.90 and 12,098.61

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Solution

The fourth proportional to 26,900.19, 40,349.90 and 12,098.61 is: 18,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900.19 : 40,349.90 = 12,098.61 : x
  2. Step 2: Convert to fraction form
    26,900.19/40,349.90 = 12,098.61/x
  3. Step 3: Cross multiply
    26,900.19x = 40,349.90 × 12,098.61
  4. Step 4: Simplify right side
    26,900.19x = 488,177,733.89
  5. Step 5: Solve for x
    x = 488,177,733.89/26,900.19
  6. Step 6: Final answer
    x = 18,147.74

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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.