Home / 18,835.81-25,993.14-10,769.38

Finding the Fourth Proportional to 18,835.81, 25,993.14 and 10,769.38

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Solution

The fourth proportional to 18,835.81, 25,993.14 and 10,769.38 is: 14,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.81 : 25,993.14 = 10,769.38 : x
  2. Step 2: Convert to fraction form
    18,835.81/25,993.14 = 10,769.38/x
  3. Step 3: Cross multiply
    18,835.81x = 25,993.14 × 10,769.38
  4. Step 4: Simplify right side
    18,835.81x = 279,930,002.05
  5. Step 5: Solve for x
    x = 279,930,002.05/18,835.81
  6. Step 6: Final answer
    x = 14,861.59

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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.