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Finding the Fourth Proportional to 14,910.15, 20,573.10 and 9,604.20

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Solution

The fourth proportional to 14,910.15, 20,573.10 and 9,604.20 is: 13,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.15 : 20,573.10 = 9,604.20 : x
  2. Step 2: Convert to fraction form
    14,910.15/20,573.10 = 9,604.20/x
  3. Step 3: Cross multiply
    14,910.15x = 20,573.10 × 9,604.20
  4. Step 4: Simplify right side
    14,910.15x = 197,588,167.02
  5. Step 5: Solve for x
    x = 197,588,167.02/14,910.15
  6. Step 6: Final answer
    x = 13,251.92

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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.