Home / 16,246.40-22,419.78-9,076.43

Finding the Fourth Proportional to 16,246.40, 22,419.78 and 9,076.43

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Solution

The fourth proportional to 16,246.40, 22,419.78 and 9,076.43 is: 12,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,246.40 : 22,419.78 = 9,076.43 : x
  2. Step 2: Convert to fraction form
    16,246.40/22,419.78 = 9,076.43/x
  3. Step 3: Cross multiply
    16,246.40x = 22,419.78 × 9,076.43
  4. Step 4: Simplify right side
    16,246.40x = 203,491,451.69
  5. Step 5: Solve for x
    x = 203,491,451.69/16,246.40
  6. Step 6: Final answer
    x = 12,525.33

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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.