Home / 13,326.04-19,985.56-3,963.54

Finding the Fourth Proportional to 13,326.04, 19,985.56 and 3,963.54

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Solution

The fourth proportional to 13,326.04, 19,985.56 and 3,963.54 is: 5,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.04 : 19,985.56 = 3,963.54 : x
  2. Step 2: Convert to fraction form
    13,326.04/19,985.56 = 3,963.54/x
  3. Step 3: Cross multiply
    13,326.04x = 19,985.56 × 3,963.54
  4. Step 4: Simplify right side
    13,326.04x = 79,213,566.48
  5. Step 5: Solve for x
    x = 79,213,566.48/13,326.04
  6. Step 6: Final answer
    x = 5,944.27

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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.