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Finding the Fourth Proportional to 14,777.88, 20,364.12 and 14,593.92

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Solution

The fourth proportional to 14,777.88, 20,364.12 and 14,593.92 is: 20,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.88 : 20,364.12 = 14,593.92 : x
  2. Step 2: Convert to fraction form
    14,777.88/20,364.12 = 14,593.92/x
  3. Step 3: Cross multiply
    14,777.88x = 20,364.12 × 14,593.92
  4. Step 4: Simplify right side
    14,777.88x = 297,192,338.15
  5. Step 5: Solve for x
    x = 297,192,338.15/14,777.88
  6. Step 6: Final answer
    x = 20,110.62

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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.