Home / 18,035.40-27,034.74-12,192.60

Finding the Fourth Proportional to 18,035.40, 27,034.74 and 12,192.60

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Solution

The fourth proportional to 18,035.40, 27,034.74 and 12,192.60 is: 18,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.40 : 27,034.74 = 12,192.60 : x
  2. Step 2: Convert to fraction form
    18,035.40/27,034.74 = 12,192.60/x
  3. Step 3: Cross multiply
    18,035.40x = 27,034.74 × 12,192.60
  4. Step 4: Simplify right side
    18,035.40x = 329,623,770.92
  5. Step 5: Solve for x
    x = 329,623,770.92/18,035.40
  6. Step 6: Final answer
    x = 18,276.49

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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.