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Finding the Fourth Proportional to 14,652.52, 20,220.20 and 8,364.76

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Solution

The fourth proportional to 14,652.52, 20,220.20 and 8,364.76 is: 11,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.52 : 20,220.20 = 8,364.76 : x
  2. Step 2: Convert to fraction form
    14,652.52/20,220.20 = 8,364.76/x
  3. Step 3: Cross multiply
    14,652.52x = 20,220.20 × 8,364.76
  4. Step 4: Simplify right side
    14,652.52x = 169,137,120.15
  5. Step 5: Solve for x
    x = 169,137,120.15/14,652.52
  6. Step 6: Final answer
    x = 11,543.21

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Half scale
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Double scale
Find fourth proportional to 14,653.52, 20,221.58 and 8,365.76
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.