Home / 19,166.05-26,449.12-10,782.55

Finding the Fourth Proportional to 19,166.05, 26,449.12 and 10,782.55

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Solution

The fourth proportional to 19,166.05, 26,449.12 and 10,782.55 is: 14,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.05 : 26,449.12 = 10,782.55 : x
  2. Step 2: Convert to fraction form
    19,166.05/26,449.12 = 10,782.55/x
  3. Step 3: Cross multiply
    19,166.05x = 26,449.12 × 10,782.55
  4. Step 4: Simplify right side
    19,166.05x = 285,188,958.86
  5. Step 5: Solve for x
    x = 285,188,958.86/19,166.05
  6. Step 6: Final answer
    x = 14,879.90

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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.