Home / 26,438.73-39,653.60-8,669.04

Finding the Fourth Proportional to 26,438.73, 39,653.60 and 8,669.04

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Solution

The fourth proportional to 26,438.73, 39,653.60 and 8,669.04 is: 13,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.73 : 39,653.60 = 8,669.04 : x
  2. Step 2: Convert to fraction form
    26,438.73/39,653.60 = 8,669.04/x
  3. Step 3: Cross multiply
    26,438.73x = 39,653.60 × 8,669.04
  4. Step 4: Simplify right side
    26,438.73x = 343,758,601.20
  5. Step 5: Solve for x
    x = 343,758,601.20/26,438.73
  6. Step 6: Final answer
    x = 13,002.08

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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.