Home / 16,828.60-23,229.30-11,540.92

Finding the Fourth Proportional to 16,828.60, 23,229.30 and 11,540.92

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Solution

The fourth proportional to 16,828.60, 23,229.30 and 11,540.92 is: 15,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.60 : 23,229.30 = 11,540.92 : x
  2. Step 2: Convert to fraction form
    16,828.60/23,229.30 = 11,540.92/x
  3. Step 3: Cross multiply
    16,828.60x = 23,229.30 × 11,540.92
  4. Step 4: Simplify right side
    16,828.60x = 268,087,492.96
  5. Step 5: Solve for x
    x = 268,087,492.96/16,828.60
  6. Step 6: Final answer
    x = 15,930.47

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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.