Home / 15,747.49-23,635.86-7,961.77

Finding the Fourth Proportional to 15,747.49, 23,635.86 and 7,961.77

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Solution

The fourth proportional to 15,747.49, 23,635.86 and 7,961.77 is: 11,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.49 : 23,635.86 = 7,961.77 : x
  2. Step 2: Convert to fraction form
    15,747.49/23,635.86 = 7,961.77/x
  3. Step 3: Cross multiply
    15,747.49x = 23,635.86 × 7,961.77
  4. Step 4: Simplify right side
    15,747.49x = 188,183,281.07
  5. Step 5: Solve for x
    x = 188,183,281.07/15,747.49
  6. Step 6: Final answer
    x = 11,950.05

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1.5x scale

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.