Home / 19,576.73-27,017.19-11,078.84

Finding the Fourth Proportional to 19,576.73, 27,017.19 and 11,078.84

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Solution

The fourth proportional to 19,576.73, 27,017.19 and 11,078.84 is: 15,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.73 : 27,017.19 = 11,078.84 : x
  2. Step 2: Convert to fraction form
    19,576.73/27,017.19 = 11,078.84/x
  3. Step 3: Cross multiply
    19,576.73x = 27,017.19 × 11,078.84
  4. Step 4: Simplify right side
    19,576.73x = 299,318,990.17
  5. Step 5: Solve for x
    x = 299,318,990.17/19,576.73
  6. Step 6: Final answer
    x = 15,289.53

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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.