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Finding the Fourth Proportional to 14,767.83, 20,379.99 and 8,053.74

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Solution

The fourth proportional to 14,767.83, 20,379.99 and 8,053.74 is: 11,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.83 : 20,379.99 = 8,053.74 : x
  2. Step 2: Convert to fraction form
    14,767.83/20,379.99 = 8,053.74/x
  3. Step 3: Cross multiply
    14,767.83x = 20,379.99 × 8,053.74
  4. Step 4: Simplify right side
    14,767.83x = 164,135,140.66
  5. Step 5: Solve for x
    x = 164,135,140.66/14,767.83
  6. Step 6: Final answer
    x = 11,114.37

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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.