Home / 27,136.42-37,448.73-15,199.65

Finding the Fourth Proportional to 27,136.42, 37,448.73 and 15,199.65

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Solution

The fourth proportional to 27,136.42, 37,448.73 and 15,199.65 is: 20,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.42 : 37,448.73 = 15,199.65 : x
  2. Step 2: Convert to fraction form
    27,136.42/37,448.73 = 15,199.65/x
  3. Step 3: Cross multiply
    27,136.42x = 37,448.73 × 15,199.65
  4. Step 4: Simplify right side
    27,136.42x = 569,207,588.94
  5. Step 5: Solve for x
    x = 569,207,588.94/27,136.42
  6. Step 6: Final answer
    x = 20,975.78

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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.