Home / 27,147.47-37,467.21-15,213.34

Finding the Fourth Proportional to 27,147.47, 37,467.21 and 15,213.34

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Solution

The fourth proportional to 27,147.47, 37,467.21 and 15,213.34 is: 20,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.47 : 37,467.21 = 15,213.34 : x
  2. Step 2: Convert to fraction form
    27,147.47/37,467.21 = 15,213.34/x
  3. Step 3: Cross multiply
    27,147.47x = 37,467.21 × 15,213.34
  4. Step 4: Simplify right side
    27,147.47x = 570,001,404.58
  5. Step 5: Solve for x
    x = 570,001,404.58/27,147.47
  6. Step 6: Final answer
    x = 20,996.48

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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.