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Finding the Fourth Proportional to 14,663.54, 20,208.54 and 10,414.79

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Solution

The fourth proportional to 14,663.54, 20,208.54 and 10,414.79 is: 14,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.54 : 20,208.54 = 10,414.79 : x
  2. Step 2: Convert to fraction form
    14,663.54/20,208.54 = 10,414.79/x
  3. Step 3: Cross multiply
    14,663.54x = 20,208.54 × 10,414.79
  4. Step 4: Simplify right side
    14,663.54x = 210,467,599.26
  5. Step 5: Solve for x
    x = 210,467,599.26/14,663.54
  6. Step 6: Final answer
    x = 14,353.12

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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.