Home / 18,334.98-27,418.40-13,658.22

Finding the Fourth Proportional to 18,334.98, 27,418.40 and 13,658.22

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Solution

The fourth proportional to 18,334.98, 27,418.40 and 13,658.22 is: 20,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.98 : 27,418.40 = 13,658.22 : x
  2. Step 2: Convert to fraction form
    18,334.98/27,418.40 = 13,658.22/x
  3. Step 3: Cross multiply
    18,334.98x = 27,418.40 × 13,658.22
  4. Step 4: Simplify right side
    18,334.98x = 374,486,539.25
  5. Step 5: Solve for x
    x = 374,486,539.25/18,334.98
  6. Step 6: Final answer
    x = 20,424.70

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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.