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Finding the Fourth Proportional to 14,697.63, 20,286.88 and 12,051.36

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Solution

The fourth proportional to 14,697.63, 20,286.88 and 12,051.36 is: 16,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697.63 : 20,286.88 = 12,051.36 : x
  2. Step 2: Convert to fraction form
    14,697.63/20,286.88 = 12,051.36/x
  3. Step 3: Cross multiply
    14,697.63x = 20,286.88 × 12,051.36
  4. Step 4: Simplify right side
    14,697.63x = 244,484,494.16
  5. Step 5: Solve for x
    x = 244,484,494.16/14,697.63
  6. Step 6: Final answer
    x = 16,634.28

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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.