Home / 13,346.16-18,425.20-8,876

Finding the Fourth Proportional to 13,346.16, 18,425.20 and 8,876

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Solution

The fourth proportional to 13,346.16, 18,425.20 and 8,876 is: 12,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.16 : 18,425.20 = 8,876 : x
  2. Step 2: Convert to fraction form
    13,346.16/18,425.20 = 8,876/x
  3. Step 3: Cross multiply
    13,346.16x = 18,425.20 × 8,876
  4. Step 4: Simplify right side
    13,346.16x = 163,542,075.20
  5. Step 5: Solve for x
    x = 163,542,075.20/13,346.16
  6. Step 6: Final answer
    x = 12,253.87

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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.