Home / 19,563.22-29,348.47-6,419.35

Finding the Fourth Proportional to 19,563.22, 29,348.47 and 6,419.35

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Solution

The fourth proportional to 19,563.22, 29,348.47 and 6,419.35 is: 9,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.22 : 29,348.47 = 6,419.35 : x
  2. Step 2: Convert to fraction form
    19,563.22/29,348.47 = 6,419.35/x
  3. Step 3: Cross multiply
    19,563.22x = 29,348.47 × 6,419.35
  4. Step 4: Simplify right side
    19,563.22x = 188,397,954.15
  5. Step 5: Solve for x
    x = 188,397,954.15/19,563.22
  6. Step 6: Final answer
    x = 9,630.21

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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.