Home / 23,217.90-34,830.49-7,631.88

Finding the Fourth Proportional to 23,217.90, 34,830.49 and 7,631.88

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Solution

The fourth proportional to 23,217.90, 34,830.49 and 7,631.88 is: 11,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,217.90 : 34,830.49 = 7,631.88 : x
  2. Step 2: Convert to fraction form
    23,217.90/34,830.49 = 7,631.88/x
  3. Step 3: Cross multiply
    23,217.90x = 34,830.49 × 7,631.88
  4. Step 4: Simplify right side
    23,217.90x = 265,822,120.02
  5. Step 5: Solve for x
    x = 265,822,120.02/23,217.90
  6. Step 6: Final answer
    x = 11,449.02

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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.