Home / 13,194.60-18,168.10-12,136.64

Finding the Fourth Proportional to 13,194.60, 18,168.10 and 12,136.64

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Solution

The fourth proportional to 13,194.60, 18,168.10 and 12,136.64 is: 16,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.60 : 18,168.10 = 12,136.64 : x
  2. Step 2: Convert to fraction form
    13,194.60/18,168.10 = 12,136.64/x
  3. Step 3: Cross multiply
    13,194.60x = 18,168.10 × 12,136.64
  4. Step 4: Simplify right side
    13,194.60x = 220,499,568.00
  5. Step 5: Solve for x
    x = 220,499,568.00/13,194.60
  6. Step 6: Final answer
    x = 16,711.35

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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.