Home / 27,109.12-37,410.77-15,173.57

Finding the Fourth Proportional to 27,109.12, 37,410.77 and 15,173.57

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Solution

The fourth proportional to 27,109.12, 37,410.77 and 15,173.57 is: 20,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.12 : 37,410.77 = 15,173.57 : x
  2. Step 2: Convert to fraction form
    27,109.12/37,410.77 = 15,173.57/x
  3. Step 3: Cross multiply
    27,109.12x = 37,410.77 × 15,173.57
  4. Step 4: Simplify right side
    27,109.12x = 567,654,937.35
  5. Step 5: Solve for x
    x = 567,654,937.35/27,109.12
  6. Step 6: Final answer
    x = 20,939.63

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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.