Home / 27,211.75-37,552.61-15,276.20

Finding the Fourth Proportional to 27,211.75, 37,552.61 and 15,276.20

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Solution

The fourth proportional to 27,211.75, 37,552.61 and 15,276.20 is: 21,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,211.75 : 37,552.61 = 15,276.20 : x
  2. Step 2: Convert to fraction form
    27,211.75/37,552.61 = 15,276.20/x
  3. Step 3: Cross multiply
    27,211.75x = 37,552.61 × 15,276.20
  4. Step 4: Simplify right side
    27,211.75x = 573,661,031.31
  5. Step 5: Solve for x
    x = 573,661,031.31/27,211.75
  6. Step 6: Final answer
    x = 21,081.37

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Double scale
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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.