Home / 17,621.92-26,458.20-15,456.88

Finding the Fourth Proportional to 17,621.92, 26,458.20 and 15,456.88

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Solution

The fourth proportional to 17,621.92, 26,458.20 and 15,456.88 is: 23,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.92 : 26,458.20 = 15,456.88 : x
  2. Step 2: Convert to fraction form
    17,621.92/26,458.20 = 15,456.88/x
  3. Step 3: Cross multiply
    17,621.92x = 26,458.20 × 15,456.88
  4. Step 4: Simplify right side
    17,621.92x = 408,961,222.42
  5. Step 5: Solve for x
    x = 408,961,222.42/17,621.92
  6. Step 6: Final answer
    x = 23,207.53

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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.