Home / 19,982.83-27,576.15-11,030.34

Finding the Fourth Proportional to 19,982.83, 27,576.15 and 11,030.34

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Solution

The fourth proportional to 19,982.83, 27,576.15 and 11,030.34 is: 15,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.83 : 27,576.15 = 11,030.34 : x
  2. Step 2: Convert to fraction form
    19,982.83/27,576.15 = 11,030.34/x
  3. Step 3: Cross multiply
    19,982.83x = 27,576.15 × 11,030.34
  4. Step 4: Simplify right side
    19,982.83x = 304,174,172.51
  5. Step 5: Solve for x
    x = 304,174,172.51/19,982.83
  6. Step 6: Final answer
    x = 15,221.78

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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.