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Finding the Fourth Proportional to 14,908.25, 20,572.95 and 8,193.88

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Solution

The fourth proportional to 14,908.25, 20,572.95 and 8,193.88 is: 11,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.25 : 20,572.95 = 8,193.88 : x
  2. Step 2: Convert to fraction form
    14,908.25/20,572.95 = 8,193.88/x
  3. Step 3: Cross multiply
    14,908.25x = 20,572.95 × 8,193.88
  4. Step 4: Simplify right side
    14,908.25x = 168,572,180.68
  5. Step 5: Solve for x
    x = 168,572,180.68/14,908.25
  6. Step 6: Final answer
    x = 11,307.31

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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.