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Finding the Fourth Proportional to 14,757.19, 20,364.41 and 8,042.68

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Solution

The fourth proportional to 14,757.19, 20,364.41 and 8,042.68 is: 11,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.19 : 20,364.41 = 8,042.68 : x
  2. Step 2: Convert to fraction form
    14,757.19/20,364.41 = 8,042.68/x
  3. Step 3: Cross multiply
    14,757.19x = 20,364.41 × 8,042.68
  4. Step 4: Simplify right side
    14,757.19x = 163,784,392.81
  5. Step 5: Solve for x
    x = 163,784,392.81/14,757.19
  6. Step 6: Final answer
    x = 11,098.62

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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.