Home / 19,827.52-27,352.55-11,868.21

Finding the Fourth Proportional to 19,827.52, 27,352.55 and 11,868.21

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Solution

The fourth proportional to 19,827.52, 27,352.55 and 11,868.21 is: 16,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.52 : 27,352.55 = 11,868.21 : x
  2. Step 2: Convert to fraction form
    19,827.52/27,352.55 = 11,868.21/x
  3. Step 3: Cross multiply
    19,827.52x = 27,352.55 × 11,868.21
  4. Step 4: Simplify right side
    19,827.52x = 324,625,807.44
  5. Step 5: Solve for x
    x = 324,625,807.44/19,827.52
  6. Step 6: Final answer
    x = 16,372.49

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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.