Home / 19,818.46-29,725.26-11,503

Finding the Fourth Proportional to 19,818.46, 29,725.26 and 11,503

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Solution

The fourth proportional to 19,818.46, 29,725.26 and 11,503 is: 17,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.46 : 29,725.26 = 11,503 : x
  2. Step 2: Convert to fraction form
    19,818.46/29,725.26 = 11,503/x
  3. Step 3: Cross multiply
    19,818.46x = 29,725.26 × 11,503
  4. Step 4: Simplify right side
    19,818.46x = 341,929,665.78
  5. Step 5: Solve for x
    x = 341,929,665.78/19,818.46
  6. Step 6: Final answer
    x = 17,253.09

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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.