Home / 19,040.54-28,566.68-8,519.38

Finding the Fourth Proportional to 19,040.54, 28,566.68 and 8,519.38

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Solution

The fourth proportional to 19,040.54, 28,566.68 and 8,519.38 is: 12,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.54 : 28,566.68 = 8,519.38 : x
  2. Step 2: Convert to fraction form
    19,040.54/28,566.68 = 8,519.38/x
  3. Step 3: Cross multiply
    19,040.54x = 28,566.68 × 8,519.38
  4. Step 4: Simplify right side
    19,040.54x = 243,370,288.24
  5. Step 5: Solve for x
    x = 243,370,288.24/19,040.54
  6. Step 6: Final answer
    x = 12,781.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.