Home / 27,546.62-38,013.55-15,613.82

Finding the Fourth Proportional to 27,546.62, 38,013.55 and 15,613.82

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Solution

The fourth proportional to 27,546.62, 38,013.55 and 15,613.82 is: 21,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,546.62 : 38,013.55 = 15,613.82 : x
  2. Step 2: Convert to fraction form
    27,546.62/38,013.55 = 15,613.82/x
  3. Step 3: Cross multiply
    27,546.62x = 38,013.55 × 15,613.82
  4. Step 4: Simplify right side
    27,546.62x = 593,536,727.26
  5. Step 5: Solve for x
    x = 593,536,727.26/27,546.62
  6. Step 6: Final answer
    x = 21,546.63

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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.