Home / 27,136.18-37,446.84-15,198.90

Finding the Fourth Proportional to 27,136.18, 37,446.84 and 15,198.90

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Solution

The fourth proportional to 27,136.18, 37,446.84 and 15,198.90 is: 20,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.18 : 37,446.84 = 15,198.90 : x
  2. Step 2: Convert to fraction form
    27,136.18/37,446.84 = 15,198.90/x
  3. Step 3: Cross multiply
    27,136.18x = 37,446.84 × 15,198.90
  4. Step 4: Simplify right side
    27,136.18x = 569,150,794.10
  5. Step 5: Solve for x
    x = 569,150,794.10/27,136.18
  6. Step 6: Final answer
    x = 20,973.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.