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Finding the Fourth Proportional to 16,506.87, 22,789.34 and 10,851.07

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Solution

The fourth proportional to 16,506.87, 22,789.34 and 10,851.07 is: 14,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,506.87 : 22,789.34 = 10,851.07 : x
  2. Step 2: Convert to fraction form
    16,506.87/22,789.34 = 10,851.07/x
  3. Step 3: Cross multiply
    16,506.87x = 22,789.34 × 10,851.07
  4. Step 4: Simplify right side
    16,506.87x = 247,288,723.59
  5. Step 5: Solve for x
    x = 247,288,723.59/16,506.87
  6. Step 6: Final answer
    x = 14,980.96

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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.