Home / 18,336.99-25,306.68-10,779.54

Finding the Fourth Proportional to 18,336.99, 25,306.68 and 10,779.54

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Solution

The fourth proportional to 18,336.99, 25,306.68 and 10,779.54 is: 14,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.99 : 25,306.68 = 10,779.54 : x
  2. Step 2: Convert to fraction form
    18,336.99/25,306.68 = 10,779.54/x
  3. Step 3: Cross multiply
    18,336.99x = 25,306.68 × 10,779.54
  4. Step 4: Simplify right side
    18,336.99x = 272,794,369.33
  5. Step 5: Solve for x
    x = 272,794,369.33/18,336.99
  6. Step 6: Final answer
    x = 14,876.73

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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.