Home / 19,813.18-27,344.99-12,261.94

Finding the Fourth Proportional to 19,813.18, 27,344.99 and 12,261.94

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Solution

The fourth proportional to 19,813.18, 27,344.99 and 12,261.94 is: 16,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.18 : 27,344.99 = 12,261.94 : x
  2. Step 2: Convert to fraction form
    19,813.18/27,344.99 = 12,261.94/x
  3. Step 3: Cross multiply
    19,813.18x = 27,344.99 × 12,261.94
  4. Step 4: Simplify right side
    19,813.18x = 335,302,497.01
  5. Step 5: Solve for x
    x = 335,302,497.01/19,813.18
  6. Step 6: Final answer
    x = 16,923.21

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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.