Home / 27,147.86-37,463.69-15,211.43

Finding the Fourth Proportional to 27,147.86, 37,463.69 and 15,211.43

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Solution

The fourth proportional to 27,147.86, 37,463.69 and 15,211.43 is: 20,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.86 : 37,463.69 = 15,211.43 : x
  2. Step 2: Convert to fraction form
    27,147.86/37,463.69 = 15,211.43/x
  3. Step 3: Cross multiply
    27,147.86x = 37,463.69 × 15,211.43
  4. Step 4: Simplify right side
    27,147.86x = 569,876,221.92
  5. Step 5: Solve for x
    x = 569,876,221.92/27,147.86
  6. Step 6: Final answer
    x = 20,991.57

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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.