Home / 16,077.88-22,172.64-11,033.20

Finding the Fourth Proportional to 16,077.88, 22,172.64 and 11,033.20

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Solution

The fourth proportional to 16,077.88, 22,172.64 and 11,033.20 is: 15,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,077.88 : 22,172.64 = 11,033.20 : x
  2. Step 2: Convert to fraction form
    16,077.88/22,172.64 = 11,033.20/x
  3. Step 3: Cross multiply
    16,077.88x = 22,172.64 × 11,033.20
  4. Step 4: Simplify right side
    16,077.88x = 244,635,171.65
  5. Step 5: Solve for x
    x = 244,635,171.65/16,077.88
  6. Step 6: Final answer
    x = 15,215.64

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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.