Home / 23,033.88-31,789.32-12,962.64

Finding the Fourth Proportional to 23,033.88, 31,789.32 and 12,962.64

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Solution

The fourth proportional to 23,033.88, 31,789.32 and 12,962.64 is: 17,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,033.88 : 31,789.32 = 12,962.64 : x
  2. Step 2: Convert to fraction form
    23,033.88/31,789.32 = 12,962.64/x
  3. Step 3: Cross multiply
    23,033.88x = 31,789.32 × 12,962.64
  4. Step 4: Simplify right side
    23,033.88x = 412,073,511.00
  5. Step 5: Solve for x
    x = 412,073,511.00/23,033.88
  6. Step 6: Final answer
    x = 17,889.89

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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.