Home / 19,677.66-27,153.27-11,292.54

Finding the Fourth Proportional to 19,677.66, 27,153.27 and 11,292.54

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Solution

The fourth proportional to 19,677.66, 27,153.27 and 11,292.54 is: 15,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.66 : 27,153.27 = 11,292.54 : x
  2. Step 2: Convert to fraction form
    19,677.66/27,153.27 = 11,292.54/x
  3. Step 3: Cross multiply
    19,677.66x = 27,153.27 × 11,292.54
  4. Step 4: Simplify right side
    19,677.66x = 306,629,387.61
  5. Step 5: Solve for x
    x = 306,629,387.61/19,677.66
  6. Step 6: Final answer
    x = 15,582.61

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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.