Home / 19,839.96-27,377.67-10,886.04

Finding the Fourth Proportional to 19,839.96, 27,377.67 and 10,886.04

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Solution

The fourth proportional to 19,839.96, 27,377.67 and 10,886.04 is: 15,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.96 : 27,377.67 = 10,886.04 : x
  2. Step 2: Convert to fraction form
    19,839.96/27,377.67 = 10,886.04/x
  3. Step 3: Cross multiply
    19,839.96x = 27,377.67 × 10,886.04
  4. Step 4: Simplify right side
    19,839.96x = 298,034,410.73
  5. Step 5: Solve for x
    x = 298,034,410.73/19,839.96
  6. Step 6: Final answer
    x = 15,021.93

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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.