Home / 13,904.76-19,183.68-7,932.12

Finding the Fourth Proportional to 13,904.76, 19,183.68 and 7,932.12

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Solution

The fourth proportional to 13,904.76, 19,183.68 and 7,932.12 is: 10,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.76 : 19,183.68 = 7,932.12 : x
  2. Step 2: Convert to fraction form
    13,904.76/19,183.68 = 7,932.12/x
  3. Step 3: Cross multiply
    13,904.76x = 19,183.68 × 7,932.12
  4. Step 4: Simplify right side
    13,904.76x = 152,167,251.80
  5. Step 5: Solve for x
    x = 152,167,251.80/13,904.76
  6. Step 6: Final answer
    x = 10,943.54

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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.