Home / 19,183.10-26,476.77-12,891.83

Finding the Fourth Proportional to 19,183.10, 26,476.77 and 12,891.83

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Solution

The fourth proportional to 19,183.10, 26,476.77 and 12,891.83 is: 17,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.10 : 26,476.77 = 12,891.83 : x
  2. Step 2: Convert to fraction form
    19,183.10/26,476.77 = 12,891.83/x
  3. Step 3: Cross multiply
    19,183.10x = 26,476.77 × 12,891.83
  4. Step 4: Simplify right side
    19,183.10x = 341,333,953.33
  5. Step 5: Solve for x
    x = 341,333,953.33/19,183.10
  6. Step 6: Final answer
    x = 17,793.47

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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.