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Finding the Fourth Proportional to 14,874.68, 20,524.74 and 8,585.84

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Solution

The fourth proportional to 14,874.68, 20,524.74 and 8,585.84 is: 11,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874.68 : 20,524.74 = 8,585.84 : x
  2. Step 2: Convert to fraction form
    14,874.68/20,524.74 = 8,585.84/x
  3. Step 3: Cross multiply
    14,874.68x = 20,524.74 × 8,585.84
  4. Step 4: Simplify right side
    14,874.68x = 176,222,133.68
  5. Step 5: Solve for x
    x = 176,222,133.68/14,874.68
  6. Step 6: Final answer
    x = 11,847.12

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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.