Home / 18,116.98-27,135.32-13,926.14

Finding the Fourth Proportional to 18,116.98, 27,135.32 and 13,926.14

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Solution

The fourth proportional to 18,116.98, 27,135.32 and 13,926.14 is: 20,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.98 : 27,135.32 = 13,926.14 : x
  2. Step 2: Convert to fraction form
    18,116.98/27,135.32 = 13,926.14/x
  3. Step 3: Cross multiply
    18,116.98x = 27,135.32 × 13,926.14
  4. Step 4: Simplify right side
    18,116.98x = 377,890,265.26
  5. Step 5: Solve for x
    x = 377,890,265.26/18,116.98
  6. Step 6: Final answer
    x = 20,858.35

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1.5x scale

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.