Home / 18,404.91-27,588.20-8,536.05

Finding the Fourth Proportional to 18,404.91, 27,588.20 and 8,536.05

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Solution

The fourth proportional to 18,404.91, 27,588.20 and 8,536.05 is: 12,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.91 : 27,588.20 = 8,536.05 : x
  2. Step 2: Convert to fraction form
    18,404.91/27,588.20 = 8,536.05/x
  3. Step 3: Cross multiply
    18,404.91x = 27,588.20 × 8,536.05
  4. Step 4: Simplify right side
    18,404.91x = 235,494,211.93
  5. Step 5: Solve for x
    x = 235,494,211.93/18,404.91
  6. Step 6: Final answer
    x = 12,795.18

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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.