Home / 18,893.93-28,286.21-14,233.59

Finding the Fourth Proportional to 18,893.93, 28,286.21 and 14,233.59

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Solution

The fourth proportional to 18,893.93, 28,286.21 and 14,233.59 is: 21,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893.93 : 28,286.21 = 14,233.59 : x
  2. Step 2: Convert to fraction form
    18,893.93/28,286.21 = 14,233.59/x
  3. Step 3: Cross multiply
    18,893.93x = 28,286.21 × 14,233.59
  4. Step 4: Simplify right side
    18,893.93x = 402,614,351.38
  5. Step 5: Solve for x
    x = 402,614,351.38/18,893.93
  6. Step 6: Final answer
    x = 21,309.20

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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.