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Finding the Fourth Proportional to 14,480.76, 19,983.30 and 8,193.12

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Solution

The fourth proportional to 14,480.76, 19,983.30 and 8,193.12 is: 11,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.76 : 19,983.30 = 8,193.12 : x
  2. Step 2: Convert to fraction form
    14,480.76/19,983.30 = 8,193.12/x
  3. Step 3: Cross multiply
    14,480.76x = 19,983.30 × 8,193.12
  4. Step 4: Simplify right side
    14,480.76x = 163,725,574.90
  5. Step 5: Solve for x
    x = 163,725,574.90/14,480.76
  6. Step 6: Final answer
    x = 11,306.42

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Half scale
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Double scale
Find fourth proportional to 14,481.76, 19,984.68 and 8,194.12
Similar ratio
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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.