Home / 13,245.58-18,263.94-9,654.19

Finding the Fourth Proportional to 13,245.58, 18,263.94 and 9,654.19

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Solution

The fourth proportional to 13,245.58, 18,263.94 and 9,654.19 is: 13,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.58 : 18,263.94 = 9,654.19 : x
  2. Step 2: Convert to fraction form
    13,245.58/18,263.94 = 9,654.19/x
  3. Step 3: Cross multiply
    13,245.58x = 18,263.94 × 9,654.19
  4. Step 4: Simplify right side
    13,245.58x = 176,323,546.91
  5. Step 5: Solve for x
    x = 176,323,546.91/13,245.58
  6. Step 6: Final answer
    x = 13,311.88

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Half scale
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Double scale
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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.