Home / 13,791.77-20,675.35-11,470.82

Finding the Fourth Proportional to 13,791.77, 20,675.35 and 11,470.82

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Solution

The fourth proportional to 13,791.77, 20,675.35 and 11,470.82 is: 17,195.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.77 : 20,675.35 = 11,470.82 : x
  2. Step 2: Convert to fraction form
    13,791.77/20,675.35 = 11,470.82/x
  3. Step 3: Cross multiply
    13,791.77x = 20,675.35 × 11,470.82
  4. Step 4: Simplify right side
    13,791.77x = 237,163,129.25
  5. Step 5: Solve for x
    x = 237,163,129.25/13,791.77
  6. Step 6: Final answer
    x = 17,195.99

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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.