Home / 19,849.28-27,396.32-13,576.64

Finding the Fourth Proportional to 19,849.28, 27,396.32 and 13,576.64

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Solution

The fourth proportional to 19,849.28, 27,396.32 and 13,576.64 is: 18,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849.28 : 27,396.32 = 13,576.64 : x
  2. Step 2: Convert to fraction form
    19,849.28/27,396.32 = 13,576.64/x
  3. Step 3: Cross multiply
    19,849.28x = 27,396.32 × 13,576.64
  4. Step 4: Simplify right side
    19,849.28x = 371,949,973.96
  5. Step 5: Solve for x
    x = 371,949,973.96/19,849.28
  6. Step 6: Final answer
    x = 18,738.71

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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.