Home / 18,235.96-27,360.60-7,708.72

Finding the Fourth Proportional to 18,235.96, 27,360.60 and 7,708.72

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Solution

The fourth proportional to 18,235.96, 27,360.60 and 7,708.72 is: 11,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.96 : 27,360.60 = 7,708.72 : x
  2. Step 2: Convert to fraction form
    18,235.96/27,360.60 = 7,708.72/x
  3. Step 3: Cross multiply
    18,235.96x = 27,360.60 × 7,708.72
  4. Step 4: Simplify right side
    18,235.96x = 210,915,204.43
  5. Step 5: Solve for x
    x = 210,915,204.43/18,235.96
  6. Step 6: Final answer
    x = 11,565.90

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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.