Home / 17,944.40-24,759.92-9,986.62

Finding the Fourth Proportional to 17,944.40, 24,759.92 and 9,986.62

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Solution

The fourth proportional to 17,944.40, 24,759.92 and 9,986.62 is: 13,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,944.40 : 24,759.92 = 9,986.62 : x
  2. Step 2: Convert to fraction form
    17,944.40/24,759.92 = 9,986.62/x
  3. Step 3: Cross multiply
    17,944.40x = 24,759.92 × 9,986.62
  4. Step 4: Simplify right side
    17,944.40x = 247,267,912.27
  5. Step 5: Solve for x
    x = 247,267,912.27/17,944.40
  6. Step 6: Final answer
    x = 13,779.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.