Home / 27,180.13-37,517.79-17,125.42

Finding the Fourth Proportional to 27,180.13, 37,517.79 and 17,125.42

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Solution

The fourth proportional to 27,180.13, 37,517.79 and 17,125.42 is: 23,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.13 : 37,517.79 = 17,125.42 : x
  2. Step 2: Convert to fraction form
    27,180.13/37,517.79 = 17,125.42/x
  3. Step 3: Cross multiply
    27,180.13x = 37,517.79 × 17,125.42
  4. Step 4: Simplify right side
    27,180.13x = 642,507,911.22
  5. Step 5: Solve for x
    x = 642,507,911.22/27,180.13
  6. Step 6: Final answer
    x = 23,638.88

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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.