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Finding the Fourth Proportional to 16,172.16, 24,295 and 13,957.88

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Solution

The fourth proportional to 16,172.16, 24,295 and 13,957.88 is: 20,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.16 : 24,295 = 13,957.88 : x
  2. Step 2: Convert to fraction form
    16,172.16/24,295 = 13,957.88/x
  3. Step 3: Cross multiply
    16,172.16x = 24,295 × 13,957.88
  4. Step 4: Simplify right side
    16,172.16x = 339,106,694.60
  5. Step 5: Solve for x
    x = 339,106,694.60/16,172.16
  6. Step 6: Final answer
    x = 20,968.55

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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.