Home / 19,724.52-27,204.45-12,651.60

Finding the Fourth Proportional to 19,724.52, 27,204.45 and 12,651.60

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Solution

The fourth proportional to 19,724.52, 27,204.45 and 12,651.60 is: 17,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.52 : 27,204.45 = 12,651.60 : x
  2. Step 2: Convert to fraction form
    19,724.52/27,204.45 = 12,651.60/x
  3. Step 3: Cross multiply
    19,724.52x = 27,204.45 × 12,651.60
  4. Step 4: Simplify right side
    19,724.52x = 344,179,819.62
  5. Step 5: Solve for x
    x = 344,179,819.62/19,724.52
  6. Step 6: Final answer
    x = 17,449.34

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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.