Home / 26,486.87-39,732.80-6,765.53

Finding the Fourth Proportional to 26,486.87, 39,732.80 and 6,765.53

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Solution

The fourth proportional to 26,486.87, 39,732.80 and 6,765.53 is: 10,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.87 : 39,732.80 = 6,765.53 : x
  2. Step 2: Convert to fraction form
    26,486.87/39,732.80 = 6,765.53/x
  3. Step 3: Cross multiply
    26,486.87x = 39,732.80 × 6,765.53
  4. Step 4: Simplify right side
    26,486.87x = 268,813,217.89
  5. Step 5: Solve for x
    x = 268,813,217.89/26,486.87
  6. Step 6: Final answer
    x = 10,148.93

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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.