Home / 27,110.71-37,404.25-15,172.15

Finding the Fourth Proportional to 27,110.71, 37,404.25 and 15,172.15

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Solution

The fourth proportional to 27,110.71, 37,404.25 and 15,172.15 is: 20,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,110.71 : 37,404.25 = 15,172.15 : x
  2. Step 2: Convert to fraction form
    27,110.71/37,404.25 = 15,172.15/x
  3. Step 3: Cross multiply
    27,110.71x = 37,404.25 × 15,172.15
  4. Step 4: Simplify right side
    27,110.71x = 567,502,891.64
  5. Step 5: Solve for x
    x = 567,502,891.64/27,110.71
  6. Step 6: Final answer
    x = 20,932.79

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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.