Home / 16,645.40-22,970.52-9,091.73

Finding the Fourth Proportional to 16,645.40, 22,970.52 and 9,091.73

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Solution

The fourth proportional to 16,645.40, 22,970.52 and 9,091.73 is: 12,546.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,645.40 : 22,970.52 = 9,091.73 : x
  2. Step 2: Convert to fraction form
    16,645.40/22,970.52 = 9,091.73/x
  3. Step 3: Cross multiply
    16,645.40x = 22,970.52 × 9,091.73
  4. Step 4: Simplify right side
    16,645.40x = 208,841,694.02
  5. Step 5: Solve for x
    x = 208,841,694.02/16,645.40
  6. Step 6: Final answer
    x = 12,546.51

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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.