Home / 19,948.06-27,519.51-13,234.78

Finding the Fourth Proportional to 19,948.06, 27,519.51 and 13,234.78

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Solution

The fourth proportional to 19,948.06, 27,519.51 and 13,234.78 is: 18,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.06 : 27,519.51 = 13,234.78 : x
  2. Step 2: Convert to fraction form
    19,948.06/27,519.51 = 13,234.78/x
  3. Step 3: Cross multiply
    19,948.06x = 27,519.51 × 13,234.78
  4. Step 4: Simplify right side
    19,948.06x = 364,214,660.56
  5. Step 5: Solve for x
    x = 364,214,660.56/19,948.06
  6. Step 6: Final answer
    x = 18,258.15

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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.