Home / 18,360.46-27,551.34-7,829.92

Finding the Fourth Proportional to 18,360.46, 27,551.34 and 7,829.92

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Solution

The fourth proportional to 18,360.46, 27,551.34 and 7,829.92 is: 11,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.46 : 27,551.34 = 7,829.92 : x
  2. Step 2: Convert to fraction form
    18,360.46/27,551.34 = 7,829.92/x
  3. Step 3: Cross multiply
    18,360.46x = 27,551.34 × 7,829.92
  4. Step 4: Simplify right side
    18,360.46x = 215,724,788.09
  5. Step 5: Solve for x
    x = 215,724,788.09/18,360.46
  6. Step 6: Final answer
    x = 11,749.42

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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.