Home / 19,387.22-29,087.49-8,293.46

Finding the Fourth Proportional to 19,387.22, 29,087.49 and 8,293.46

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Solution

The fourth proportional to 19,387.22, 29,087.49 and 8,293.46 is: 12,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.22 : 29,087.49 = 8,293.46 : x
  2. Step 2: Convert to fraction form
    19,387.22/29,087.49 = 8,293.46/x
  3. Step 3: Cross multiply
    19,387.22x = 29,087.49 × 8,293.46
  4. Step 4: Simplify right side
    19,387.22x = 241,235,934.82
  5. Step 5: Solve for x
    x = 241,235,934.82/19,387.22
  6. Step 6: Final answer
    x = 12,443.04

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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.