Home / 20,031.00-27,639.48-11,076.75

Finding the Fourth Proportional to 20,031.00, 27,639.48 and 11,076.75

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Solution

The fourth proportional to 20,031.00, 27,639.48 and 11,076.75 is: 15,284.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.00 : 27,639.48 = 11,076.75 : x
  2. Step 2: Convert to fraction form
    20,031.00/27,639.48 = 11,076.75/x
  3. Step 3: Cross multiply
    20,031.00x = 27,639.48 × 11,076.75
  4. Step 4: Simplify right side
    20,031.00x = 306,155,589.32
  5. Step 5: Solve for x
    x = 306,155,589.32/20,031.00
  6. Step 6: Final answer
    x = 15,284.09

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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.