Home / 14,795.28-20,414.12-8,825.78

Finding the Fourth Proportional to 14,795.28, 20,414.12 and 8,825.78

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Solution

The fourth proportional to 14,795.28, 20,414.12 and 8,825.78 is: 12,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.28 : 20,414.12 = 8,825.78 : x
  2. Step 2: Convert to fraction form
    14,795.28/20,414.12 = 8,825.78/x
  3. Step 3: Cross multiply
    14,795.28x = 20,414.12 × 8,825.78
  4. Step 4: Simplify right side
    14,795.28x = 180,170,532.01
  5. Step 5: Solve for x
    x = 180,170,532.01/14,795.28
  6. Step 6: Final answer
    x = 12,177.57

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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.