Home / 14,983.46-20,684.94-10,945.75

Finding the Fourth Proportional to 14,983.46, 20,684.94 and 10,945.75

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Solution

The fourth proportional to 14,983.46, 20,684.94 and 10,945.75 is: 15,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.46 : 20,684.94 = 10,945.75 : x
  2. Step 2: Convert to fraction form
    14,983.46/20,684.94 = 10,945.75/x
  3. Step 3: Cross multiply
    14,983.46x = 20,684.94 × 10,945.75
  4. Step 4: Simplify right side
    14,983.46x = 226,412,169.83
  5. Step 5: Solve for x
    x = 226,412,169.83/14,983.46
  6. Step 6: Final answer
    x = 15,110.81

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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.