Home / 25,359.75-38,039.67-6,891.75

Finding the Fourth Proportional to 25,359.75, 38,039.67 and 6,891.75

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Solution

The fourth proportional to 25,359.75, 38,039.67 and 6,891.75 is: 10,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.75 : 38,039.67 = 6,891.75 : x
  2. Step 2: Convert to fraction form
    25,359.75/38,039.67 = 6,891.75/x
  3. Step 3: Cross multiply
    25,359.75x = 38,039.67 × 6,891.75
  4. Step 4: Simplify right side
    25,359.75x = 262,159,895.72
  5. Step 5: Solve for x
    x = 262,159,895.72/25,359.75
  6. Step 6: Final answer
    x = 10,337.64

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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.