Home / 26,650.82-39,969.26-7,925.81

Finding the Fourth Proportional to 26,650.82, 39,969.26 and 7,925.81

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Solution

The fourth proportional to 26,650.82, 39,969.26 and 7,925.81 is: 11,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650.82 : 39,969.26 = 7,925.81 : x
  2. Step 2: Convert to fraction form
    26,650.82/39,969.26 = 7,925.81/x
  3. Step 3: Cross multiply
    26,650.82x = 39,969.26 × 7,925.81
  4. Step 4: Simplify right side
    26,650.82x = 316,788,760.60
  5. Step 5: Solve for x
    x = 316,788,760.60/26,650.82
  6. Step 6: Final answer
    x = 11,886.64

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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.