Home / 19,983.90-27,576.60-11,031.17

Finding the Fourth Proportional to 19,983.90, 27,576.60 and 11,031.17

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Solution

The fourth proportional to 19,983.90, 27,576.60 and 11,031.17 is: 15,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.90 : 27,576.60 = 11,031.17 : x
  2. Step 2: Convert to fraction form
    19,983.90/27,576.60 = 11,031.17/x
  3. Step 3: Cross multiply
    19,983.90x = 27,576.60 × 11,031.17
  4. Step 4: Simplify right side
    19,983.90x = 304,202,162.62
  5. Step 5: Solve for x
    x = 304,202,162.62/19,983.90
  6. Step 6: Final answer
    x = 15,222.36

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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.