Home / 20,846.54-31,255.23-10,452.62

Finding the Fourth Proportional to 20,846.54, 31,255.23 and 10,452.62

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Solution

The fourth proportional to 20,846.54, 31,255.23 and 10,452.62 is: 15,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.54 : 31,255.23 = 10,452.62 : x
  2. Step 2: Convert to fraction form
    20,846.54/31,255.23 = 10,452.62/x
  3. Step 3: Cross multiply
    20,846.54x = 31,255.23 × 10,452.62
  4. Step 4: Simplify right side
    20,846.54x = 326,699,042.20
  5. Step 5: Solve for x
    x = 326,699,042.20/20,846.54
  6. Step 6: Final answer
    x = 15,671.62

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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.