Home / 14,438.17-19,933.86-11,791.90

Finding the Fourth Proportional to 14,438.17, 19,933.86 and 11,791.90

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Solution

The fourth proportional to 14,438.17, 19,933.86 and 11,791.90 is: 16,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.17 : 19,933.86 = 11,791.90 : x
  2. Step 2: Convert to fraction form
    14,438.17/19,933.86 = 11,791.90/x
  3. Step 3: Cross multiply
    14,438.17x = 19,933.86 × 11,791.90
  4. Step 4: Simplify right side
    14,438.17x = 235,058,083.73
  5. Step 5: Solve for x
    x = 235,058,083.73/14,438.17
  6. Step 6: Final answer
    x = 16,280.32

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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.