Home / 14,611.76-20,165.28-8,324.56

Finding the Fourth Proportional to 14,611.76, 20,165.28 and 8,324.56

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Solution

The fourth proportional to 14,611.76, 20,165.28 and 8,324.56 is: 11,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.76 : 20,165.28 = 8,324.56 : x
  2. Step 2: Convert to fraction form
    14,611.76/20,165.28 = 8,324.56/x
  3. Step 3: Cross multiply
    14,611.76x = 20,165.28 × 8,324.56
  4. Step 4: Simplify right side
    14,611.76x = 167,867,083.28
  5. Step 5: Solve for x
    x = 167,867,083.28/14,611.76
  6. Step 6: Final answer
    x = 11,488.49

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1.5x scale

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.