Home / 19,579.69-27,000.11-16,756.43

Finding the Fourth Proportional to 19,579.69, 27,000.11 and 16,756.43

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Solution

The fourth proportional to 19,579.69, 27,000.11 and 16,756.43 is: 23,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.69 : 27,000.11 = 16,756.43 : x
  2. Step 2: Convert to fraction form
    19,579.69/27,000.11 = 16,756.43/x
  3. Step 3: Cross multiply
    19,579.69x = 27,000.11 × 16,756.43
  4. Step 4: Simplify right side
    19,579.69x = 452,425,369.43
  5. Step 5: Solve for x
    x = 452,425,369.43/19,579.69
  6. Step 6: Final answer
    x = 23,106.88

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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.