Home / 19,576.46-27,016.12-11,508.64

Finding the Fourth Proportional to 19,576.46, 27,016.12 and 11,508.64

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Solution

The fourth proportional to 19,576.46, 27,016.12 and 11,508.64 is: 15,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.46 : 27,016.12 = 11,508.64 : x
  2. Step 2: Convert to fraction form
    19,576.46/27,016.12 = 11,508.64/x
  3. Step 3: Cross multiply
    19,576.46x = 27,016.12 × 11,508.64
  4. Step 4: Simplify right side
    19,576.46x = 310,918,799.28
  5. Step 5: Solve for x
    x = 310,918,799.28/19,576.46
  6. Step 6: Final answer
    x = 15,882.28

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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.