Home / 27,201.98-37,540.68-15,103.10

Finding the Fourth Proportional to 27,201.98, 37,540.68 and 15,103.10

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Solution

The fourth proportional to 27,201.98, 37,540.68 and 15,103.10 is: 20,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,201.98 : 37,540.68 = 15,103.10 : x
  2. Step 2: Convert to fraction form
    27,201.98/37,540.68 = 15,103.10/x
  3. Step 3: Cross multiply
    27,201.98x = 37,540.68 × 15,103.10
  4. Step 4: Simplify right side
    27,201.98x = 566,980,644.11
  5. Step 5: Solve for x
    x = 566,980,644.11/27,201.98
  6. Step 6: Final answer
    x = 20,843.36

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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.