Home / 14,782.05-20,381.08-9,183.33

Finding the Fourth Proportional to 14,782.05, 20,381.08 and 9,183.33

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Solution

The fourth proportional to 14,782.05, 20,381.08 and 9,183.33 is: 12,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.05 : 20,381.08 = 9,183.33 : x
  2. Step 2: Convert to fraction form
    14,782.05/20,381.08 = 9,183.33/x
  3. Step 3: Cross multiply
    14,782.05x = 20,381.08 × 9,183.33
  4. Step 4: Simplify right side
    14,782.05x = 187,166,183.40
  5. Step 5: Solve for x
    x = 187,166,183.40/14,782.05
  6. Step 6: Final answer
    x = 12,661.72

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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.