Home / 27,433.35-37,857.57-15,334.12

Finding the Fourth Proportional to 27,433.35, 37,857.57 and 15,334.12

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Solution

The fourth proportional to 27,433.35, 37,857.57 and 15,334.12 is: 21,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,433.35 : 37,857.57 = 15,334.12 : x
  2. Step 2: Convert to fraction form
    27,433.35/37,857.57 = 15,334.12/x
  3. Step 3: Cross multiply
    27,433.35x = 37,857.57 × 15,334.12
  4. Step 4: Simplify right side
    27,433.35x = 580,512,521.29
  5. Step 5: Solve for x
    x = 580,512,521.29/27,433.35
  6. Step 6: Final answer
    x = 21,160.83

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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.