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Finding the Fourth Proportional to 16,133.60, 24,171.60 and 13,656.80

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Solution

The fourth proportional to 16,133.60, 24,171.60 and 13,656.80 is: 20,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,133.60 : 24,171.60 = 13,656.80 : x
  2. Step 2: Convert to fraction form
    16,133.60/24,171.60 = 13,656.80/x
  3. Step 3: Cross multiply
    16,133.60x = 24,171.60 × 13,656.80
  4. Step 4: Simplify right side
    16,133.60x = 330,106,706.88
  5. Step 5: Solve for x
    x = 330,106,706.88/16,133.60
  6. Step 6: Final answer
    x = 20,460.82

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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.