Home / 27,122.10-37,424.18-15,185.94

Finding the Fourth Proportional to 27,122.10, 37,424.18 and 15,185.94

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Solution

The fourth proportional to 27,122.10, 37,424.18 and 15,185.94 is: 20,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.10 : 37,424.18 = 15,185.94 : x
  2. Step 2: Convert to fraction form
    27,122.10/37,424.18 = 15,185.94/x
  3. Step 3: Cross multiply
    27,122.10x = 37,424.18 × 15,185.94
  4. Step 4: Simplify right side
    27,122.10x = 568,321,352.03
  5. Step 5: Solve for x
    x = 568,321,352.03/27,122.10
  6. Step 6: Final answer
    x = 20,954.18

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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.