Home / 69,016.08-103,529.07-18,414.84

Finding the Fourth Proportional to 69,016.08, 103,529.07 and 18,414.84

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Solution

The fourth proportional to 69,016.08, 103,529.07 and 18,414.84 is: 27,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,016.08 : 103,529.07 = 18,414.84 : x
  2. Step 2: Convert to fraction form
    69,016.08/103,529.07 = 18,414.84/x
  3. Step 3: Cross multiply
    69,016.08x = 103,529.07 × 18,414.84
  4. Step 4: Simplify right side
    69,016.08x = 1,906,471,647.63
  5. Step 5: Solve for x
    x = 1,906,471,647.63/69,016.08
  6. Step 6: Final answer
    x = 27,623.58

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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.