Home / 19,576.28-27,028.28-11,621.06

Finding the Fourth Proportional to 19,576.28, 27,028.28 and 11,621.06

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Solution

The fourth proportional to 19,576.28, 27,028.28 and 11,621.06 is: 16,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.28 : 27,028.28 = 11,621.06 : x
  2. Step 2: Convert to fraction form
    19,576.28/27,028.28 = 11,621.06/x
  3. Step 3: Cross multiply
    19,576.28x = 27,028.28 × 11,621.06
  4. Step 4: Simplify right side
    19,576.28x = 314,097,205.47
  5. Step 5: Solve for x
    x = 314,097,205.47/19,576.28
  6. Step 6: Final answer
    x = 16,044.79

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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.