Home / 18,344.12-25,313.45-10,790.73

Finding the Fourth Proportional to 18,344.12, 25,313.45 and 10,790.73

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Solution

The fourth proportional to 18,344.12, 25,313.45 and 10,790.73 is: 14,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.12 : 25,313.45 = 10,790.73 : x
  2. Step 2: Convert to fraction form
    18,344.12/25,313.45 = 10,790.73/x
  3. Step 3: Cross multiply
    18,344.12x = 25,313.45 × 10,790.73
  4. Step 4: Simplify right side
    18,344.12x = 273,150,550.36
  5. Step 5: Solve for x
    x = 273,150,550.36/18,344.12
  6. Step 6: Final answer
    x = 14,890.36

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Double scale
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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.