Home / 18,806.43-25,952.50-10,308.57

Finding the Fourth Proportional to 18,806.43, 25,952.50 and 10,308.57

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Solution

The fourth proportional to 18,806.43, 25,952.50 and 10,308.57 is: 14,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.43 : 25,952.50 = 10,308.57 : x
  2. Step 2: Convert to fraction form
    18,806.43/25,952.50 = 10,308.57/x
  3. Step 3: Cross multiply
    18,806.43x = 25,952.50 × 10,308.57
  4. Step 4: Simplify right side
    18,806.43x = 267,533,078.49
  5. Step 5: Solve for x
    x = 267,533,078.49/18,806.43
  6. Step 6: Final answer
    x = 14,225.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.