Home / 13,903.66-19,183.23-7,933.18

Finding the Fourth Proportional to 13,903.66, 19,183.23 and 7,933.18

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Solution

The fourth proportional to 13,903.66, 19,183.23 and 7,933.18 is: 10,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.66 : 19,183.23 = 7,933.18 : x
  2. Step 2: Convert to fraction form
    13,903.66/19,183.23 = 7,933.18/x
  3. Step 3: Cross multiply
    13,903.66x = 19,183.23 × 7,933.18
  4. Step 4: Simplify right side
    13,903.66x = 152,184,016.57
  5. Step 5: Solve for x
    x = 152,184,016.57/13,903.66
  6. Step 6: Final answer
    x = 10,945.61

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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.