Home / 19,680.63-29,488.14-16,181.43

Finding the Fourth Proportional to 19,680.63, 29,488.14 and 16,181.43

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Solution

The fourth proportional to 19,680.63, 29,488.14 and 16,181.43 is: 24,245.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.63 : 29,488.14 = 16,181.43 : x
  2. Step 2: Convert to fraction form
    19,680.63/29,488.14 = 16,181.43/x
  3. Step 3: Cross multiply
    19,680.63x = 29,488.14 × 16,181.43
  4. Step 4: Simplify right side
    19,680.63x = 477,160,273.24
  5. Step 5: Solve for x
    x = 477,160,273.24/19,680.63
  6. Step 6: Final answer
    x = 24,245.17

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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.