Home / 20,794.70-31,220.85-16,417.10

Finding the Fourth Proportional to 20,794.70, 31,220.85 and 16,417.10

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Solution

The fourth proportional to 20,794.70, 31,220.85 and 16,417.10 is: 24,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.70 : 31,220.85 = 16,417.10 : x
  2. Step 2: Convert to fraction form
    20,794.70/31,220.85 = 16,417.10/x
  3. Step 3: Cross multiply
    20,794.70x = 31,220.85 × 16,417.10
  4. Step 4: Simplify right side
    20,794.70x = 512,555,816.54
  5. Step 5: Solve for x
    x = 512,555,816.54/20,794.70
  6. Step 6: Final answer
    x = 24,648.39

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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.