Home / 14,508.46-20,023.32-8,136.76

Finding the Fourth Proportional to 14,508.46, 20,023.32 and 8,136.76

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Solution

The fourth proportional to 14,508.46, 20,023.32 and 8,136.76 is: 11,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.46 : 20,023.32 = 8,136.76 : x
  2. Step 2: Convert to fraction form
    14,508.46/20,023.32 = 8,136.76/x
  3. Step 3: Cross multiply
    14,508.46x = 20,023.32 × 8,136.76
  4. Step 4: Simplify right side
    14,508.46x = 162,924,949.24
  5. Step 5: Solve for x
    x = 162,924,949.24/14,508.46
  6. Step 6: Final answer
    x = 11,229.65

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Half scale
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Double scale
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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.