Home / 13,791.54-19,032.30-7,503.90

Finding the Fourth Proportional to 13,791.54, 19,032.30 and 7,503.90

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Solution

The fourth proportional to 13,791.54, 19,032.30 and 7,503.90 is: 10,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.54 : 19,032.30 = 7,503.90 : x
  2. Step 2: Convert to fraction form
    13,791.54/19,032.30 = 7,503.90/x
  3. Step 3: Cross multiply
    13,791.54x = 19,032.30 × 7,503.90
  4. Step 4: Simplify right side
    13,791.54x = 142,816,475.97
  5. Step 5: Solve for x
    x = 142,816,475.97/13,791.54
  6. Step 6: Final answer
    x = 10,355.37

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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.