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Finding the Fourth Proportional to 14,073.57, 21,079.08 and 10,112.94

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Solution

The fourth proportional to 14,073.57, 21,079.08 and 10,112.94 is: 15,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.57 : 21,079.08 = 10,112.94 : x
  2. Step 2: Convert to fraction form
    14,073.57/21,079.08 = 10,112.94/x
  3. Step 3: Cross multiply
    14,073.57x = 21,079.08 × 10,112.94
  4. Step 4: Simplify right side
    14,073.57x = 213,171,471.30
  5. Step 5: Solve for x
    x = 213,171,471.30/14,073.57
  6. Step 6: Final answer
    x = 15,146.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.