Home / 19,619.14-29,432.34-6,472.42

Finding the Fourth Proportional to 19,619.14, 29,432.34 and 6,472.42

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Solution

The fourth proportional to 19,619.14, 29,432.34 and 6,472.42 is: 9,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.14 : 29,432.34 = 6,472.42 : x
  2. Step 2: Convert to fraction form
    19,619.14/29,432.34 = 6,472.42/x
  3. Step 3: Cross multiply
    19,619.14x = 29,432.34 × 6,472.42
  4. Step 4: Simplify right side
    19,619.14x = 190,498,466.06
  5. Step 5: Solve for x
    x = 190,498,466.06/19,619.14
  6. Step 6: Final answer
    x = 9,709.83

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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.