Home / 21,576.97-29,775.92-12,016.59

Finding the Fourth Proportional to 21,576.97, 29,775.92 and 12,016.59

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Solution

The fourth proportional to 21,576.97, 29,775.92 and 12,016.59 is: 16,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.97 : 29,775.92 = 12,016.59 : x
  2. Step 2: Convert to fraction form
    21,576.97/29,775.92 = 12,016.59/x
  3. Step 3: Cross multiply
    21,576.97x = 29,775.92 × 12,016.59
  4. Step 4: Simplify right side
    21,576.97x = 357,805,022.51
  5. Step 5: Solve for x
    x = 357,805,022.51/21,576.97
  6. Step 6: Final answer
    x = 16,582.73

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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.