Home / 27,106.99-37,408.70-15,170.09

Finding the Fourth Proportional to 27,106.99, 37,408.70 and 15,170.09

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Solution

The fourth proportional to 27,106.99, 37,408.70 and 15,170.09 is: 20,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.99 : 37,408.70 = 15,170.09 : x
  2. Step 2: Convert to fraction form
    27,106.99/37,408.70 = 15,170.09/x
  3. Step 3: Cross multiply
    27,106.99x = 37,408.70 × 15,170.09
  4. Step 4: Simplify right side
    27,106.99x = 567,493,196.66
  5. Step 5: Solve for x
    x = 567,493,196.66/27,106.99
  6. Step 6: Final answer
    x = 20,935.31

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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.