Home / 19,849.76-29,780.28-16,186.64

Finding the Fourth Proportional to 19,849.76, 29,780.28 and 16,186.64

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Solution

The fourth proportional to 19,849.76, 29,780.28 and 16,186.64 is: 24,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849.76 : 29,780.28 = 16,186.64 : x
  2. Step 2: Convert to fraction form
    19,849.76/29,780.28 = 16,186.64/x
  3. Step 3: Cross multiply
    19,849.76x = 29,780.28 × 16,186.64
  4. Step 4: Simplify right side
    19,849.76x = 482,042,671.46
  5. Step 5: Solve for x
    x = 482,042,671.46/19,849.76
  6. Step 6: Final answer
    x = 24,284.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.