Home / 13,258.60-18,292.98-8,226.76

Finding the Fourth Proportional to 13,258.60, 18,292.98 and 8,226.76

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Solution

The fourth proportional to 13,258.60, 18,292.98 and 8,226.76 is: 11,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.60 : 18,292.98 = 8,226.76 : x
  2. Step 2: Convert to fraction form
    13,258.60/18,292.98 = 8,226.76/x
  3. Step 3: Cross multiply
    13,258.60x = 18,292.98 × 8,226.76
  4. Step 4: Simplify right side
    13,258.60x = 150,491,956.14
  5. Step 5: Solve for x
    x = 150,491,956.14/13,258.60
  6. Step 6: Final answer
    x = 11,350.52

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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.