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Finding the Fourth Proportional to 14,482.92, 19,989.58 and 8,819.52

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Solution

The fourth proportional to 14,482.92, 19,989.58 and 8,819.52 is: 12,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.92 : 19,989.58 = 8,819.52 : x
  2. Step 2: Convert to fraction form
    14,482.92/19,989.58 = 8,819.52/x
  3. Step 3: Cross multiply
    14,482.92x = 19,989.58 × 8,819.52
  4. Step 4: Simplify right side
    14,482.92x = 176,298,500.60
  5. Step 5: Solve for x
    x = 176,298,500.60/14,482.92
  6. Step 6: Final answer
    x = 12,172.86

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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.