Home / 27,121.10-37,422.80-15,184.94

Finding the Fourth Proportional to 27,121.10, 37,422.80 and 15,184.94

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Solution

The fourth proportional to 27,121.10, 37,422.80 and 15,184.94 is: 20,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.10 : 37,422.80 = 15,184.94 : x
  2. Step 2: Convert to fraction form
    27,121.10/37,422.80 = 15,184.94/x
  3. Step 3: Cross multiply
    27,121.10x = 37,422.80 × 15,184.94
  4. Step 4: Simplify right side
    27,121.10x = 568,262,972.63
  5. Step 5: Solve for x
    x = 568,262,972.63/27,121.10
  6. Step 6: Final answer
    x = 20,952.80

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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.