Home / 23,186.60-34,771.80-12,089.60

Finding the Fourth Proportional to 23,186.60, 34,771.80 and 12,089.60

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Solution

The fourth proportional to 23,186.60, 34,771.80 and 12,089.60 is: 18,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.60 : 34,771.80 = 12,089.60 : x
  2. Step 2: Convert to fraction form
    23,186.60/34,771.80 = 12,089.60/x
  3. Step 3: Cross multiply
    23,186.60x = 34,771.80 × 12,089.60
  4. Step 4: Simplify right side
    23,186.60x = 420,377,153.28
  5. Step 5: Solve for x
    x = 420,377,153.28/23,186.60
  6. Step 6: Final answer
    x = 18,130.18

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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.