Home / 18,113.90-27,167.94-4,963.21

Finding the Fourth Proportional to 18,113.90, 27,167.94 and 4,963.21

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Solution

The fourth proportional to 18,113.90, 27,167.94 and 4,963.21 is: 7,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.90 : 27,167.94 = 4,963.21 : x
  2. Step 2: Convert to fraction form
    18,113.90/27,167.94 = 4,963.21/x
  3. Step 3: Cross multiply
    18,113.90x = 27,167.94 × 4,963.21
  4. Step 4: Simplify right side
    18,113.90x = 134,840,123.57
  5. Step 5: Solve for x
    x = 134,840,123.57/18,113.90
  6. Step 6: Final answer
    x = 7,444.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.