Home / 19,819.62-29,729.40-10,934.52

Finding the Fourth Proportional to 19,819.62, 29,729.40 and 10,934.52

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Solution

The fourth proportional to 19,819.62, 29,729.40 and 10,934.52 is: 16,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.62 : 29,729.40 = 10,934.52 : x
  2. Step 2: Convert to fraction form
    19,819.62/29,729.40 = 10,934.52/x
  3. Step 3: Cross multiply
    19,819.62x = 29,729.40 × 10,934.52
  4. Step 4: Simplify right side
    19,819.62x = 325,076,718.89
  5. Step 5: Solve for x
    x = 325,076,718.89/19,819.62
  6. Step 6: Final answer
    x = 16,401.76

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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.