Home / 19,624.28-29,438.03-8,531.33

Finding the Fourth Proportional to 19,624.28, 29,438.03 and 8,531.33

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Solution

The fourth proportional to 19,624.28, 29,438.03 and 8,531.33 is: 12,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.28 : 29,438.03 = 8,531.33 : x
  2. Step 2: Convert to fraction form
    19,624.28/29,438.03 = 8,531.33/x
  3. Step 3: Cross multiply
    19,624.28x = 29,438.03 × 8,531.33
  4. Step 4: Simplify right side
    19,624.28x = 251,145,422.62
  5. Step 5: Solve for x
    x = 251,145,422.62/19,624.28
  6. Step 6: Final answer
    x = 12,797.69

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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.