Home / 18,522.18-27,776.68-6,672.76

Finding the Fourth Proportional to 18,522.18, 27,776.68 and 6,672.76

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Solution

The fourth proportional to 18,522.18, 27,776.68 and 6,672.76 is: 10,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.18 : 27,776.68 = 6,672.76 : x
  2. Step 2: Convert to fraction form
    18,522.18/27,776.68 = 6,672.76/x
  3. Step 3: Cross multiply
    18,522.18x = 27,776.68 × 6,672.76
  4. Step 4: Simplify right side
    18,522.18x = 185,347,119.24
  5. Step 5: Solve for x
    x = 185,347,119.24/18,522.18
  6. Step 6: Final answer
    x = 10,006.77

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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.