Home / 19,584.38-27,038.24-18,463.55

Finding the Fourth Proportional to 19,584.38, 27,038.24 and 18,463.55

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Solution

The fourth proportional to 19,584.38, 27,038.24 and 18,463.55 is: 25,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,584.38 : 27,038.24 = 18,463.55 : x
  2. Step 2: Convert to fraction form
    19,584.38/27,038.24 = 18,463.55/x
  3. Step 3: Cross multiply
    19,584.38x = 27,038.24 × 18,463.55
  4. Step 4: Simplify right side
    19,584.38x = 499,221,737.88
  5. Step 5: Solve for x
    x = 499,221,737.88/19,584.38
  6. Step 6: Final answer
    x = 25,490.81

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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.