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Finding the Fourth Proportional to 14,559.78, 20,093.76 and 8,593.32

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Solution

The fourth proportional to 14,559.78, 20,093.76 and 8,593.32 is: 11,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.78 : 20,093.76 = 8,593.32 : x
  2. Step 2: Convert to fraction form
    14,559.78/20,093.76 = 8,593.32/x
  3. Step 3: Cross multiply
    14,559.78x = 20,093.76 × 8,593.32
  4. Step 4: Simplify right side
    14,559.78x = 172,672,109.68
  5. Step 5: Solve for x
    x = 172,672,109.68/14,559.78
  6. Step 6: Final answer
    x = 11,859.53

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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.