Home / 18,526.57-27,786.15-6,680.01

Finding the Fourth Proportional to 18,526.57, 27,786.15 and 6,680.01

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Solution

The fourth proportional to 18,526.57, 27,786.15 and 6,680.01 is: 10,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.57 : 27,786.15 = 6,680.01 : x
  2. Step 2: Convert to fraction form
    18,526.57/27,786.15 = 6,680.01/x
  3. Step 3: Cross multiply
    18,526.57x = 27,786.15 × 6,680.01
  4. Step 4: Simplify right side
    18,526.57x = 185,611,759.86
  5. Step 5: Solve for x
    x = 185,611,759.86/18,526.57
  6. Step 6: Final answer
    x = 10,018.68

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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.