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Finding the Fourth Proportional to 14,593.10, 20,147.40 and 9,493.46

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Solution

The fourth proportional to 14,593.10, 20,147.40 and 9,493.46 is: 13,106.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.10 : 20,147.40 = 9,493.46 : x
  2. Step 2: Convert to fraction form
    14,593.10/20,147.40 = 9,493.46/x
  3. Step 3: Cross multiply
    14,593.10x = 20,147.40 × 9,493.46
  4. Step 4: Simplify right side
    14,593.10x = 191,268,484.94
  5. Step 5: Solve for x
    x = 191,268,484.94/14,593.10
  6. Step 6: Final answer
    x = 13,106.78

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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.