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Finding the Fourth Proportional to 14,856.76, 20,500.72 and 8,482.75

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Solution

The fourth proportional to 14,856.76, 20,500.72 and 8,482.75 is: 11,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,856.76 : 20,500.72 = 8,482.75 : x
  2. Step 2: Convert to fraction form
    14,856.76/20,500.72 = 8,482.75/x
  3. Step 3: Cross multiply
    14,856.76x = 20,500.72 × 8,482.75
  4. Step 4: Simplify right side
    14,856.76x = 173,902,482.58
  5. Step 5: Solve for x
    x = 173,902,482.58/14,856.76
  6. Step 6: Final answer
    x = 11,705.28

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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.