Home / 26,457.20-39,654.51-11,635.11

Finding the Fourth Proportional to 26,457.20, 39,654.51 and 11,635.11

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Solution

The fourth proportional to 26,457.20, 39,654.51 and 11,635.11 is: 17,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.20 : 39,654.51 = 11,635.11 : x
  2. Step 2: Convert to fraction form
    26,457.20/39,654.51 = 11,635.11/x
  3. Step 3: Cross multiply
    26,457.20x = 39,654.51 × 11,635.11
  4. Step 4: Simplify right side
    26,457.20x = 461,384,585.85
  5. Step 5: Solve for x
    x = 461,384,585.85/26,457.20
  6. Step 6: Final answer
    x = 17,438.90

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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.