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Finding the Fourth Proportional to 14,198.48, 19,593.48 and 7,910.72

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Solution

The fourth proportional to 14,198.48, 19,593.48 and 7,910.72 is: 10,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198.48 : 19,593.48 = 7,910.72 : x
  2. Step 2: Convert to fraction form
    14,198.48/19,593.48 = 7,910.72/x
  3. Step 3: Cross multiply
    14,198.48x = 19,593.48 × 7,910.72
  4. Step 4: Simplify right side
    14,198.48x = 154,998,534.11
  5. Step 5: Solve for x
    x = 154,998,534.11/14,198.48
  6. Step 6: Final answer
    x = 10,916.56

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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.