Home / 20,544.74-28,351.87-12,044.96

Finding the Fourth Proportional to 20,544.74, 28,351.87 and 12,044.96

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Solution

The fourth proportional to 20,544.74, 28,351.87 and 12,044.96 is: 16,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.74 : 28,351.87 = 12,044.96 : x
  2. Step 2: Convert to fraction form
    20,544.74/28,351.87 = 12,044.96/x
  3. Step 3: Cross multiply
    20,544.74x = 28,351.87 × 12,044.96
  4. Step 4: Simplify right side
    20,544.74x = 341,496,968.20
  5. Step 5: Solve for x
    x = 341,496,968.20/20,544.74
  6. Step 6: Final answer
    x = 16,622.12

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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.