Home / 18,401.40-27,582.94-8,532.56

Finding the Fourth Proportional to 18,401.40, 27,582.94 and 8,532.56

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Solution

The fourth proportional to 18,401.40, 27,582.94 and 8,532.56 is: 12,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.40 : 27,582.94 = 8,532.56 : x
  2. Step 2: Convert to fraction form
    18,401.40/27,582.94 = 8,532.56/x
  3. Step 3: Cross multiply
    18,401.40x = 27,582.94 × 8,532.56
  4. Step 4: Simplify right side
    18,401.40x = 235,353,090.53
  5. Step 5: Solve for x
    x = 235,353,090.53/18,401.40
  6. Step 6: Final answer
    x = 12,789.96

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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.