Home / 19,797.92-29,743.31-18,677.06

Finding the Fourth Proportional to 19,797.92, 29,743.31 and 18,677.06

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Solution

The fourth proportional to 19,797.92, 29,743.31 and 18,677.06 is: 28,059.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.92 : 29,743.31 = 18,677.06 : x
  2. Step 2: Convert to fraction form
    19,797.92/29,743.31 = 18,677.06/x
  3. Step 3: Cross multiply
    19,797.92x = 29,743.31 × 18,677.06
  4. Step 4: Simplify right side
    19,797.92x = 555,517,483.44
  5. Step 5: Solve for x
    x = 555,517,483.44/19,797.92
  6. Step 6: Final answer
    x = 28,059.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.