Home / 20,766.87-31,109.00-16,070.49

Finding the Fourth Proportional to 20,766.87, 31,109.00 and 16,070.49

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Solution

The fourth proportional to 20,766.87, 31,109.00 and 16,070.49 is: 24,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,766.87 : 31,109.00 = 16,070.49 : x
  2. Step 2: Convert to fraction form
    20,766.87/31,109.00 = 16,070.49/x
  3. Step 3: Cross multiply
    20,766.87x = 31,109.00 × 16,070.49
  4. Step 4: Simplify right side
    20,766.87x = 499,936,793.06
  5. Step 5: Solve for x
    x = 499,936,793.06/20,766.87
  6. Step 6: Final answer
    x = 24,073.77

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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.