Home / 18,434.28-27,647.63-5,283.73

Finding the Fourth Proportional to 18,434.28, 27,647.63 and 5,283.73

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Solution

The fourth proportional to 18,434.28, 27,647.63 and 5,283.73 is: 7,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.28 : 27,647.63 = 5,283.73 : x
  2. Step 2: Convert to fraction form
    18,434.28/27,647.63 = 5,283.73/x
  3. Step 3: Cross multiply
    18,434.28x = 27,647.63 × 5,283.73
  4. Step 4: Simplify right side
    18,434.28x = 146,082,640.01
  5. Step 5: Solve for x
    x = 146,082,640.01/18,434.28
  6. Step 6: Final answer
    x = 7,924.51

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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.