Home / 19,833.71-27,370.44-12,278.54

Finding the Fourth Proportional to 19,833.71, 27,370.44 and 12,278.54

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Solution

The fourth proportional to 19,833.71, 27,370.44 and 12,278.54 is: 16,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.71 : 27,370.44 = 12,278.54 : x
  2. Step 2: Convert to fraction form
    19,833.71/27,370.44 = 12,278.54/x
  3. Step 3: Cross multiply
    19,833.71x = 27,370.44 × 12,278.54
  4. Step 4: Simplify right side
    19,833.71x = 336,069,110.78
  5. Step 5: Solve for x
    x = 336,069,110.78/19,833.71
  6. Step 6: Final answer
    x = 16,944.34

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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.