Home / 27,109.13-37,410.78-15,173.57

Finding the Fourth Proportional to 27,109.13, 37,410.78 and 15,173.57

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Solution

The fourth proportional to 27,109.13, 37,410.78 and 15,173.57 is: 20,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.13 : 37,410.78 = 15,173.57 : x
  2. Step 2: Convert to fraction form
    27,109.13/37,410.78 = 15,173.57/x
  3. Step 3: Cross multiply
    27,109.13x = 37,410.78 × 15,173.57
  4. Step 4: Simplify right side
    27,109.13x = 567,654,902.03
  5. Step 5: Solve for x
    x = 567,654,902.03/27,109.13
  6. Step 6: Final answer
    x = 20,939.62

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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.