Home / 19,983.58-27,576.16-11,030.86

Finding the Fourth Proportional to 19,983.58, 27,576.16 and 11,030.86

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Solution

The fourth proportional to 19,983.58, 27,576.16 and 11,030.86 is: 15,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.58 : 27,576.16 = 11,030.86 : x
  2. Step 2: Convert to fraction form
    19,983.58/27,576.16 = 11,030.86/x
  3. Step 3: Cross multiply
    19,983.58x = 27,576.16 × 11,030.86
  4. Step 4: Simplify right side
    19,983.58x = 304,188,760.30
  5. Step 5: Solve for x
    x = 304,188,760.30/19,983.58
  6. Step 6: Final answer
    x = 15,221.94

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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.