Home / 25,508.72-38,262.96-6,790.64

Finding the Fourth Proportional to 25,508.72, 38,262.96 and 6,790.64

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Solution

The fourth proportional to 25,508.72, 38,262.96 and 6,790.64 is: 10,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,508.72 : 38,262.96 = 6,790.64 : x
  2. Step 2: Convert to fraction form
    25,508.72/38,262.96 = 6,790.64/x
  3. Step 3: Cross multiply
    25,508.72x = 38,262.96 × 6,790.64
  4. Step 4: Simplify right side
    25,508.72x = 259,829,986.69
  5. Step 5: Solve for x
    x = 259,829,986.69/25,508.72
  6. Step 6: Final answer
    x = 10,185.93

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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.