Home / 16,116.88-22,241.24-9,043.28

Finding the Fourth Proportional to 16,116.88, 22,241.24 and 9,043.28

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Solution

The fourth proportional to 16,116.88, 22,241.24 and 9,043.28 is: 12,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,116.88 : 22,241.24 = 9,043.28 : x
  2. Step 2: Convert to fraction form
    16,116.88/22,241.24 = 9,043.28/x
  3. Step 3: Cross multiply
    16,116.88x = 22,241.24 × 9,043.28
  4. Step 4: Simplify right side
    16,116.88x = 201,133,760.87
  5. Step 5: Solve for x
    x = 201,133,760.87/16,116.88
  6. Step 6: Final answer
    x = 12,479.70

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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.