Home / 17,950.72-24,771.52-9,993.12

Finding the Fourth Proportional to 17,950.72, 24,771.52 and 9,993.12

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Solution

The fourth proportional to 17,950.72, 24,771.52 and 9,993.12 is: 13,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,950.72 : 24,771.52 = 9,993.12 : x
  2. Step 2: Convert to fraction form
    17,950.72/24,771.52 = 9,993.12/x
  3. Step 3: Cross multiply
    17,950.72x = 24,771.52 × 9,993.12
  4. Step 4: Simplify right side
    17,950.72x = 247,544,771.94
  5. Step 5: Solve for x
    x = 247,544,771.94/17,950.72
  6. Step 6: Final answer
    x = 13,790.24

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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.