Home / 18,541.46-27,799.85-11,964.05

Finding the Fourth Proportional to 18,541.46, 27,799.85 and 11,964.05

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Solution

The fourth proportional to 18,541.46, 27,799.85 and 11,964.05 is: 17,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.46 : 27,799.85 = 11,964.05 : x
  2. Step 2: Convert to fraction form
    18,541.46/27,799.85 = 11,964.05/x
  3. Step 3: Cross multiply
    18,541.46x = 27,799.85 × 11,964.05
  4. Step 4: Simplify right side
    18,541.46x = 332,598,596.57
  5. Step 5: Solve for x
    x = 332,598,596.57/18,541.46
  6. Step 6: Final answer
    x = 17,938.11

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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.