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Finding the Fourth Proportional to 14,992.56, 20,669.04 and 10,747.08

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Solution

The fourth proportional to 14,992.56, 20,669.04 and 10,747.08 is: 14,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,992.56 : 20,669.04 = 10,747.08 : x
  2. Step 2: Convert to fraction form
    14,992.56/20,669.04 = 10,747.08/x
  3. Step 3: Cross multiply
    14,992.56x = 20,669.04 × 10,747.08
  4. Step 4: Simplify right side
    14,992.56x = 222,131,826.40
  5. Step 5: Solve for x
    x = 222,131,826.40/14,992.56
  6. Step 6: Final answer
    x = 14,816.14

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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.