Home / 19,610.34-29,405.78-8,363.92

Finding the Fourth Proportional to 19,610.34, 29,405.78 and 8,363.92

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Solution

The fourth proportional to 19,610.34, 29,405.78 and 8,363.92 is: 12,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.34 : 29,405.78 = 8,363.92 : x
  2. Step 2: Convert to fraction form
    19,610.34/29,405.78 = 8,363.92/x
  3. Step 3: Cross multiply
    19,610.34x = 29,405.78 × 8,363.92
  4. Step 4: Simplify right side
    19,610.34x = 245,947,591.46
  5. Step 5: Solve for x
    x = 245,947,591.46/19,610.34
  6. Step 6: Final answer
    x = 12,541.73

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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.