Home / 19,456.60-29,179.14-10,217.56

Finding the Fourth Proportional to 19,456.60, 29,179.14 and 10,217.56

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Solution

The fourth proportional to 19,456.60, 29,179.14 and 10,217.56 is: 15,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.60 : 29,179.14 = 10,217.56 : x
  2. Step 2: Convert to fraction form
    19,456.60/29,179.14 = 10,217.56/x
  3. Step 3: Cross multiply
    19,456.60x = 29,179.14 × 10,217.56
  4. Step 4: Simplify right side
    19,456.60x = 298,139,613.70
  5. Step 5: Solve for x
    x = 298,139,613.70/19,456.60
  6. Step 6: Final answer
    x = 15,323.32

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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.