Home / 19,621.98-29,432.97-5,583.47

Finding the Fourth Proportional to 19,621.98, 29,432.97 and 5,583.47

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Solution

The fourth proportional to 19,621.98, 29,432.97 and 5,583.47 is: 8,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.98 : 29,432.97 = 5,583.47 : x
  2. Step 2: Convert to fraction form
    19,621.98/29,432.97 = 5,583.47/x
  3. Step 3: Cross multiply
    19,621.98x = 29,432.97 × 5,583.47
  4. Step 4: Simplify right side
    19,621.98x = 164,337,957.84
  5. Step 5: Solve for x
    x = 164,337,957.84/19,621.98
  6. Step 6: Final answer
    x = 8,375.20

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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.