Home / 19,628.40-27,083.52-11,672.58

Finding the Fourth Proportional to 19,628.40, 27,083.52 and 11,672.58

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Solution

The fourth proportional to 19,628.40, 27,083.52 and 11,672.58 is: 16,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.40 : 27,083.52 = 11,672.58 : x
  2. Step 2: Convert to fraction form
    19,628.40/27,083.52 = 11,672.58/x
  3. Step 3: Cross multiply
    19,628.40x = 27,083.52 × 11,672.58
  4. Step 4: Simplify right side
    19,628.40x = 316,134,553.88
  5. Step 5: Solve for x
    x = 316,134,553.88/19,628.40
  6. Step 6: Final answer
    x = 16,105.98

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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.