Home / 13,791.84-19,032.96-7,504.56

Finding the Fourth Proportional to 13,791.84, 19,032.96 and 7,504.56

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Solution

The fourth proportional to 13,791.84, 19,032.96 and 7,504.56 is: 10,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.84 : 19,032.96 = 7,504.56 : x
  2. Step 2: Convert to fraction form
    13,791.84/19,032.96 = 7,504.56/x
  3. Step 3: Cross multiply
    13,791.84x = 19,032.96 × 7,504.56
  4. Step 4: Simplify right side
    13,791.84x = 142,833,990.30
  5. Step 5: Solve for x
    x = 142,833,990.30/13,791.84
  6. Step 6: Final answer
    x = 10,356.41

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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.