Home / 20,746.92-28,630.74-11,794.18

Finding the Fourth Proportional to 20,746.92, 28,630.74 and 11,794.18

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Solution

The fourth proportional to 20,746.92, 28,630.74 and 11,794.18 is: 16,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.92 : 28,630.74 = 11,794.18 : x
  2. Step 2: Convert to fraction form
    20,746.92/28,630.74 = 11,794.18/x
  3. Step 3: Cross multiply
    20,746.92x = 28,630.74 × 11,794.18
  4. Step 4: Simplify right side
    20,746.92x = 337,676,101.09
  5. Step 5: Solve for x
    x = 337,676,101.09/20,746.92
  6. Step 6: Final answer
    x = 16,275.96

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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.