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Finding the Fourth Proportional to 14,841.52, 20,453.10 and 10,863.88

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Solution

The fourth proportional to 14,841.52, 20,453.10 and 10,863.88 is: 14,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841.52 : 20,453.10 = 10,863.88 : x
  2. Step 2: Convert to fraction form
    14,841.52/20,453.10 = 10,863.88/x
  3. Step 3: Cross multiply
    14,841.52x = 20,453.10 × 10,863.88
  4. Step 4: Simplify right side
    14,841.52x = 222,200,024.03
  5. Step 5: Solve for x
    x = 222,200,024.03/14,841.52
  6. Step 6: Final answer
    x = 14,971.51

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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.