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Finding the Fourth Proportional to 14,672.54, 20,247.72 and 8,927.84

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Solution

The fourth proportional to 14,672.54, 20,247.72 and 8,927.84 is: 12,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.54 : 20,247.72 = 8,927.84 : x
  2. Step 2: Convert to fraction form
    14,672.54/20,247.72 = 8,927.84/x
  3. Step 3: Cross multiply
    14,672.54x = 20,247.72 × 8,927.84
  4. Step 4: Simplify right side
    14,672.54x = 180,768,404.52
  5. Step 5: Solve for x
    x = 180,768,404.52/14,672.54
  6. Step 6: Final answer
    x = 12,320.18

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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.