Home / 14,732.28-20,328.14-8,763.76

Finding the Fourth Proportional to 14,732.28, 20,328.14 and 8,763.76

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Solution

The fourth proportional to 14,732.28, 20,328.14 and 8,763.76 is: 12,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,732.28 : 20,328.14 = 8,763.76 : x
  2. Step 2: Convert to fraction form
    14,732.28/20,328.14 = 8,763.76/x
  3. Step 3: Cross multiply
    14,732.28x = 20,328.14 × 8,763.76
  4. Step 4: Simplify right side
    14,732.28x = 178,150,940.21
  5. Step 5: Solve for x
    x = 178,150,940.21/14,732.28
  6. Step 6: Final answer
    x = 12,092.56

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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.