Home / 16,028.88-22,119.64-8,955.69

Finding the Fourth Proportional to 16,028.88, 22,119.64 and 8,955.69

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Solution

The fourth proportional to 16,028.88, 22,119.64 and 8,955.69 is: 12,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,028.88 : 22,119.64 = 8,955.69 : x
  2. Step 2: Convert to fraction form
    16,028.88/22,119.64 = 8,955.69/x
  3. Step 3: Cross multiply
    16,028.88x = 22,119.64 × 8,955.69
  4. Step 4: Simplify right side
    16,028.88x = 198,096,638.75
  5. Step 5: Solve for x
    x = 198,096,638.75/16,028.88
  6. Step 6: Final answer
    x = 12,358.73

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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.